Iosco County, Michigan
History, Records, Facts and Genealogy

See Also Michigan Land Records, Marriage Records, Court, Tax & Probate Records

Researchers often overlook the importance of court records, probate records, and land records as a source of family history information.

All departments below at located at the Iosco County Courthouse, 422 Lake Street, Tawas City, MI 48764 , unless a different address is listed below. NOTE: The date listed for each category of record is the earliest record known to exist in that county. It does not indicate that there are numerous records for that year and certainly does not indicate that all such events that year were actually registered.

Iosco County Clerk has the following Records for: Births: (Researchers are not allowed to search birth records), Deaths: 1860s to present, Marriages: 1860s to present, Divorces: Early 1900s to the present . The Office is located at the County Courthouse, see address above for contact information. Phone: 989-362-3497 .

The County Clerk is responsible for keeping records of births, deaths, assumed names, co-partnerships, issuing and filing marriage licenses, gun permits, notary bonds and processing passports.

Iosco County Register of Deeds has Land Records from 1840 and is located at the County Courthouse, see address above for contact information. Phone: (989)362-2021 .

The Register is the County's official recording officer for all legal documents pertaining to the transfers and encumbrances of all real estate property within the County. The Register also provides permanent storage for approved original subdivision plats, condominiums, land surveys and section corners.

Iosco County Clerk of the Probate Court has Probate Records from 1859 and is located at the County Courthouse, see address above for contact information. Phone: (989)362-3991 .

The Court Adjudicates and disposes of cases involving property of persons who have died or become incompetent, interprets wills and trusts, commits the mentally ill when necessary and appoints guardians and conservators for minors, incapacitated individuals and individuals with developmental disability.

Iosco County Clerk of the Circuit Court has Court Records from 1859 and is located at the County Courthouse, see address above for contact information. Phone: (989)362-3485 .

The Clerk provides a variety of functions for the court such as, but not limited to: filing and maintaing the official record for all cases that come before the court; providing staff to assist in the operation of the court; working with the Jury Commission and notifying all potential jurors to appear for jury duty; and, processing felony criminal cases bound over from the District Court.

County Treasurer - Property tax records at the county level usually date back to the first land records. Either the county treasurer or the register of deeds will be the custodian of these records.

Below is a list of online resources for Iosco County Court Records. Email us with websites containing Iosco County Court Records by clicking the link below:

• Order County Court, Civil or Criminal Records Online
• Bureau of Land Management (BLM)
• Michigan Land Records: Michigan Pre-1908 Homestead & Cash Entry Patent and Cadastral Survey Plat Index.
• Michigan Eastern District Naturalizations: Index to Naturalization papers of the U.S. District Court, Eastern District of Michigan, Detroit, 1837-1903 and U.S. Circuit Court, Eastern District of Michigan, Detroit, 1837-1903
• Iosco County, Michigan Court Books at Amazon.com
• Court, Land, Wills & Financial - Court records are an often overlooked, yet very valuable tool for finding information to assist you in your research. Land records, such as deeds, allow you to tie an ancestor to a specific place at a point in time. Other court records like those dealing with finances and estates often list related family members or give interesting details like the total value of property owned by your ancestors to add interest to your family history.
• Immigration & Emigration - As our ancestors moved from one country to another, details about their lives were recorded on passenger lists and government documents. Immigration and emigration records can help you learn where your ancestors originally came from, where they went, when they left, who they traveled with, and more.

See Also Vital Records in Michigan

Birth, marriage, and death records are connected with central life events. They are prime sources for genealogical information.

The State of Michigan Vital Records Office is located at 201 Townsend Street, Capitol View Bldg, 3rd Floor, Lansing MI 48913 (across the street from the state capitol - south side). The office hours are 8:00 am - 5:00 pm Mon-Fri, except for State holidays. They are open thru the lunch hour. If applying in person, you must submit your request by 3:00 pm in order to obtain same-day service. It can take up to 1-3 months to get a vital record from Michigan.

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• Birth Certificates: The Vital Records Office maintains birth records that occur in Michigan since 1867 to the present. Birth records are restricted in Michigan and only a person or parent named on the record or a legal guardian of the person named on the record may request a copy. A legal representative is eligible to request a copy if he/she represents the person named on the record. Photo identification is required to request a Michigan birth record (unless the birth record is at least 100 years old).
  • Cost: Initial search (fee includes a 3-year search, Each additional year is $12.00 per year) and one certified copy or certification of the record or No Record Statement is $26.00 and $12.00 for each additional copy. Make your check or money order payable to "STATE OF MICHIGAN". Enclose a business-size self-addressed envelope. If no record is found or no copy is made, state law requires that we keep check amount for a searching fee. Please do not send cash in the mail. Mail to: Vital Records Requests, PO Box 30721, Lansing MI 48909
  • Processing Time: If the birth year is 1906 to the present, your request will be processed within 4 weeks. If the birth year is prior to 1906, the processing time will be 1-3 months. when ordered by MAIL or 2-5 Days when you order ELECTRONICALLY
• Death Certificates: The Vital Records Office maintains death records that occur in Michigan since 1867 to the present.
• • Cost: Initial search (fee includes a 3-year search, Each additional year is $12.00 per year) and one certified copy or certification of the record or No Record Statement is $26.00 and $12.00 for each additional copy. Make your check or money order payable to "STATE OF MICHIGAN". Enclose a business-size self-addressed envelope. If no record is found or no copy is made, state law requires that we keep check amount for a searching fee. Please do not send cash in the mail. Mail to: Vital Records Requests, PO Box 30721, Lansing MI 48909
  • Processing Time: If the death year is 1916 to the present, your request will be processed within 4 weeks of receipt in the vital records office. If the death year is prior to 1916, the processing time will be 1-3 months when ordered by MAIL or 2-5 Days when you order ELECTRONICALLY
• Marriage Certificates: The Vital Records Office maintains marriage records that occur in Michigan since 1867 to the present.
  • Cost: Initial search (fee includes a 3-year search, Each additional year is $12.00 per year) and one certified copy or certification of the record or No Record Statement is $26.00 and $12.00 for each additional copy. Make your check or money order payable to "STATE OF MICHIGAN". Enclose a business-size self-addressed envelope. If no record is found or no copy is made, state law requires that we keep check amount for a searching fee. Please do not send cash in the mail. Mail to: Vital Records Requests, PO Box 30721, Lansing MI 48909
  • Processing Time: If the marriage year is 1926 to the present, your request will be processed within 4 weeks of receipt in the vital records office. If the marriage year is prior to 1926, the processing time will be 1-3 months when ordered by MAIL
• Divorce Certificates: The Vital Records Office maintains divorce records that occur in Michigan since 1867 to the present.
  • Cost: Initial search (fee includes a 3-year search, Each additional year is $12.00 per year) and one certified copy or certification of the record or No Record Statement is $26.00 and $12.00 for each additional copy. Make your check or money order payable to "STATE OF MICHIGAN". Enclose a business-size self-addressed envelope. If no record is found or no copy is made, state law requires that we keep check amount for a searching fee. Please do not send cash in the mail. Mail to: Vital Records Requests, PO Box 30721, Lansing MI 48909
  • Processing Time: If the divorce year is 1925 to the present, your request will be processed within 4 weeks of receipt in the vital records office. If the divorce year is prior to 1925, the processing time will be 1-3 months when ordered by MAIL.
• Order Online: You can also order Order Electronically Online to obtain a certified copy of a birth, marriage, death or divorce record with a credit or debit card and get the certificates within 2-5 days by ordering from VitalChek Express Certificate Service.
• Apply In Person: If you wish to apply in person to order a Michigan vital record, you may do so at the office located at 201 Townsend St, Capitol View Building, 3rd Floor, Lansing MI 48913 (across from the State Capitol). Lobby hours are 8:00 am - 5:00 pm. Directions are available by logging onto our website at: www.michigan.gov/mdch or by calling 517-335-8666. A check or money order is preferred, and orders in our lobby must be placed by 3:00 pm in order to request same-day service. An additional fee of $10.00 is required for same-day service orders. Please allow a 2-3 hour waiting period for same-day service.

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Below is a list of online resources for Iosco County Vital Records. Email us with websites containing Iosco County Vital Records by clicking the link below:

• Vital Records from Archives.com: Birth Records, Marriage Records, Divorce Records and Death Records
• VitalChek Express Certificate Service. - Some documents are just too important to wait six weeks for. With VitalChek Express Certificate Service you won?t have to. VitalChek is the fast and convenient way to order certified government-issued vital records online. They make it easy for you to purchase the documents to which you are legally entitled. Beware of other online services that do not have relationships directly with the agencies that store your vital records. VitalChek's order process usually takes less than 10 minutes --And you can select express courier service for even faster delivery when time is running out.
• Click Here to Search the Social Security Death Index for FREE- Search over 82 million death records and get genealogical information crucial to your family research. New content added weekly! Most comprehensive SSDI site online!
• Research Death records In The World's Largest Newspaper Archive at NewpaperArchive.com! - Find thousands of historical Arkansas newspaper articles about deaths. Search for local articles about an old family friend that died many years ago or a celebrity that committed suicide. Historical newspapers contain a wealth of information about the deceased.
• Birth, Marriage & Death - Vital records (births, deaths, marriages, and divorces) mark the milestones of our lives and are the foundation of family history research. Vital records, usually kept by a civic authority, can give you a more complete picture of your ancestor, help you distinguish between two people with the same name, and help you find links to a new generation.
• Michigan Marriages to 1850: This database of Michigan marriages to 1850 contains 13,000 names.
• Michigan Marriages, 1851-75: This database contains records of marriages within the state for the years 1851 through 1875.
• Michigan Deaths, 1971-1996: With over 2.75 million records, the Michigan Death Index covers the years from 1971 to 1996, making this database of particular interest to those with relatives from Michigan.
• Iosco County, Michigan Birth, Marriage & Death Books at Amazon.com

See Also Research In Census Records & Statewide Records that exist for Michigan

Few, if any, records reveal as many details about individuals and families as do government census records. Substitute records can be used when the official census is unavailable

Countywide Records: Federal Population Schedules that exist for Iosco County, Michigan are 1840, 1850, 1860, 1870, 1880, 1890 (fragment, see below), 1900, 1910, 1920 and 1930.

Other Federal Schedules to look at when researching your Family Tree in Iosco County, Michigan are Industry and Agriculture Schedules availible for the years 1850, 1860, 1870 and 1880. The Mortality Schedules for the years 1850, 1860, 1870 and 1880. There are free downloadable and printable Census forms to help with your research. These include U.S. Census Extraction Forms and U.K. Census Extraction Forms.

Below is a list of online resources for Iosco County Census Records. Email us with websites containing Iosco County Census Records by clicking the link below:

• Census Records at Archives.com
• Michigan Census, 1827-70: This collection contains the following indexes: 1827 Territorial Census Index; 1837 Kalamazoo County Index; 1840 Federal Census Index; 1840 Pensioners List; 1845 State Census Index; 1850 Federal Census Index; 1860 Federal Census Index; 1870 Federal Census Index; Early Census Index.
• Michigan State Census, 1894: This database contains information from the 1894 Michigan State Census for the counties of Barry, Bay, Benzie, Dickinson, Emmet, Gratiot, Iosco, Ingham, Kalamazoo, Keweenaw, Lapeer, Menominee, Montcalm, and Washtenaw.
• Iosco County, Michigan Census Books at Amazon.com
• Census & Voter Lists - A census is an official list of the people in a particular area at a given time, while voter lists show those who were registered to vote in a certain area. The valuable information found on census records helps you to understand your family in their time and place. Voter Lists serve as a confirmation of residence in between the years that the census was taken.

See Also Statewide Maps that exist for Michigan

Genealogy Atlas has images of old American atlases during the years 1795, 1814, 1822, 1823, 1836, 1838, 1845, 1856, 1866, 1879 and 1897 for Michigan and other states.

You can view rotating animated maps for Michigan showing all the county boundaries for each census year overlayed with past and present maps so you can see the changes in county boundaries. You can view a list of maps for other states at Census Maps

You can view rotating animated maps for Michigan showing all the county boundary changes for each year overlayed with past and present maps so you can see the changes in county boundaries. You can view a list of maps for other states at County Maps

Below is a list of online resources for Iosco County Maps. Email us with websites containing Iosco County Maps by clicking the link below:

• The USGenWeb Archives Digital Map Library
• Perry-Castañeda Library Map Collection: Michigan Maps
• Historical Maps of Michigan - Geographical, Statistical, and Historical Map of Michigan Territory
• American Memory Map Collection: 1500-2004 - extensive selection from the Library of Congress Map Collections, focusing on Americana and cartographic treasures.
• Iosco County, Michigan Map Books at Amazon.com
• Maps, Atlases & Gazetteers - Maps are an invaluable part of family history research, especially if you live far from where your ancestor lived. Because political boundaries often changed, historic maps are critical in helping you discover the precise location of your ancestor's hometown, what land they owned, who their neighbors were, and more.

See Also Military Records in Michigan

Military and civil service records provide unique facts and insights into the lives of men and women who have served their country at home and abroad.

The uses and value of military records in genealogical research for ancestors who were veterans are obvious, but military records can also be important to re-searchers whose direct ancestors were not soldiers in any war. The fathers, grandfathers, brothers, and other close relatives of an ancestor may have served in a war, and their service or pension records could contain information that will assist in further identifying the family of primary interest. Due to the amount of genealogical information contained in some military pension files, they should never be overlooked during the research process. Those records not containing specific genealogical information are of historic value and should be included in any overall research design.

Below is a list of online resources for Iosco County Military Records. Email us with websites containing Iosco County Military Records by clicking the link below:

• Michigan Society of Daughters of the American Revolution
• National Society of Daughters of the American Revolution,
• Michigan Society of Sons of the American Revolution,
• National Society of Sons of the American Revolution, 1000 South Fourth Street, Louisville, Kentucky 40203; (502) 589-1776
• Southern Claims Commission (The National Archives): View, Print Copy & Save Original Documents In the 1870s, southerners claimed compensation from the U.S. government for items used by the Union Army, ranging from corn and horses, to trees and church buildings.
• Organization Index to Pension Files of Veterans Who Served Between 1861 and 1900 from the State of Michigan (The National Archives): View, Print Copy & Save Original Pension applications for service in the U.S. Army between 1861 and 1917, grouped according to the units in which the veterans served.
• Revolutionary War Rolls, 1775-1783 (The National Archives): View, Print Copy & Save Original Documents in NARA publication M246 include muster rolls, payrolls, strength returns, and other miscellaneous personnel, pay, and supply records of American Army units, 1775-83.
• Compiled Service Records of Soldiers Who Served in the American Army During the Revolutionary War (The National Archives): View, Print Copy & Save Original Documents in NARA publication M246 include muster rolls, payrolls, strength returns, and other miscellaneous personnel, pay, and supply records of American Army units, 1775-83.
• Revolutionary War Pension and Bounty-Land Warrant Application Files (The National Archives): View, Print Copy & Save Original Revolutionary War Pension and Bounty-Land Warrant Application Files, from NARA publication M804.
• Civil War Principals and Substitutes Index
• Civil War Soldier Images Database
• Guest Register of World War I Michigan Clubroom (located in New York City)
• World War II Honor List of Dead and Missing: State of Michigan
• 1835 Michigan Territorial Pensioners
• 1840 Census of Pensioners for Revolutionary or Military Services State of Michigan
• Michigan in the Civil War: This database contains a report compiled from reports of the Adjutant General and reports held by the War Department in Washington, of the services of Michigan regiments, batteries, and companies in the Civil War.
• Michigan Military Records, 1775-1836: This database, originally compiled in 1920, is a collection of burial and pension records for residents of the state prior to 1836.
• Iosco County, Michigan Military Books at Amazon.com
• Military - The men and women called to serve their country in military duty are a source of pride to their families and to their nation. Now, with databases containing more than 16 million names and thousands of government records available to search, researching your veteran ancestors has become easier than ever before.

See Also Other Michigan Genealogical Addresses

The Repositories in this section are Archives, Libraries, Museums, Genealogical and Historical Societies. Many County Historical and Genealogical Societies publish magazines and/or news letters on a monthly, quarterly, bi-annual or annual basis. Contacting the local societies should not be over looked. State Archives and Societies are usually much larger and better organized with much larger archived materials than their smaller county cousins but they can be more generalized and over look the smaller details that local societies tend to have. Libraries can also be a good place to look for local information. Some libraries have a genealogy section and may have some resources that are not located at archives or societies. Also, take a special look at any museums in the area. They sometimes have photos and items from years gone by as well as information of a genealogical interest. All these places are vitally important to the family genealogist and must not be passed over.

Below is a list of online resources for Iosco County Genealogical Addresses. Email us with websites containing Iosco County Genealogical Addresses by clicking the link below:

• Huron Shores Genealogical Society, c/o Robert J. Parks Public Library, 6010 N Skeel Ave, Oscoda, MI 48750-1577; For an index to the HSGS records visit Index
• National Archives - Great Lakes Region (Chicago), 7358 South Pulaski Road, Chicago, Illinois 60629-5898; 773-948-9001; E-mail: (Maintains retired records from Federal agencies and courts in Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin.) General Information Leaflet
• State Archives of Michigan, 702 W Kalamazoo Str, P.O. Box 30738, Lansing, MI 48909-8238; (517) 373-1408; Original material generated by government offices at the state and/or local level, including census records, tax assessment rolls, military records and photographs are among the extensive holdings. They also have some naturalization files, correctional facility records, school records, and depression era agency files. The archives distribute information circulars on many topics. The circulars act as finding aids to their extensive collection.
• The Historical Society of Michigan, 1305 Abbott Rd., East Lansing, MI 48823; (517) 324-1828; Fax: (517) 324-4370, e-mail:
• Library of Michigan, : 702 W. Kalamazoo St, Lansing, MI 48909; Holdings here include an extensive genealogical and historical collection including books, microforms, manuscripts, newspapers, surname index, Centennial and Sesquicentennial Certificate applications, and diaries. Records are housed in a new building with card catalog. See: http://michigan.gov/hal/libraryofmichigan for more information/services. Limited reference service to mail request. They also offer online reference services at:
• Newspapers & Periodicals - The Newspapers & Periodicals Collection lets you discover a wealth of information about your ancestors from many historical newspapers, magazines, and other periodicals. These types of sources can often supplement public records and provide information that is not recorded anywhere else. Here, you can learn more about your ancestor's possible daily activities by placing them in the context of their time.
• Directories & Member Lists - Directories and member lists are typically compilations of information about people who belonged to various associations and groups or lived within city boundaries. They can be thought of as the predecessors to the modern-day phone book and usually list names, addresses, and sometimes the occupations of your ancestors.
• Michigan Genealogical Society Books at Amazon.com

See Also Church & Cemetery Records in Michigan

Obituaries can vary in the amount of information they contain, but many of them are genealogical goldmines, including information such as names, dates, places of birth and death, marriage information, and family relationships.

There are many churches and cemeteries in Iosco County. Some transcriptions are online. A great site is the Iosco County Tombstone Transcription Project.

The earliest religious denomination in Michigan was the Roman Catholic church, established through a mission in 1668 at Sault Ste. Marie. Ste. Anne's, in Detroit, has parish records beginning in 1703.

Michigan Historical Collections in Ann Arbor holds large collections from the Presbyterian Church and the Protestant Episcopal Church, in addition to other denominations. Dutch Reformed church records are at Calvin College and Seminary Library in Grand Rapids; Finnish church records are deposited at the Finnish-American Historical Archives at Suomi College in Hancock. The Upjohn Library at Kalamazoo College in Kalamazoo has a large collection of Baptist archive material. Many early Detroit churches have their records deposited at the Burton Historical Collection-Detroit Public Library. The Michigan Historical Records Survey, WPA, completed an Inventory of the Church Archives of Michigan, and many of the church records from this inventory were published from 1936 through 1942.

The Library of Michigan in Lansing and the Burton Historical Collection have over 1,000 books of transcribed or published tombstone readings from Michigan cemeteries. To locate a cemetery in the state, consult the Michigan Cemetery Compendium. It lists most cemeteries in Michigan.

Below is a list of online resources for Iosco County Cemetery & Church Records. Email us with websites containing Iosco County Cemetery & Church Records by clicking the link below:

• Cemetery Records at Archives.com
• Find Obituaries in The World's Largest Newspaper Archive at NewpaperArchive.com! - Find thousands of Michigan obituaries to help you research your family history. Search for a Michigan newspaper obituary about your ancestor or a celebrity. Begin your search today and find death notices and funeral announcements printed in newspapers from Michigan.
• Obituary Records at Archives.com
• America's Obituaries (1977 to current) at Genealogybank.com - Obituaries contain helpful information such as names, dates, places of birth, death, marriage and family information. Over 28 million obituaries make this the most complete collection from the 20th and 21st centuries - includes over 1,100 U.S. newspapers. New content added daily!
• Revolutionary Soldiers Buried in Michigan
• Iosco County, Michigan Cemetery Books at Amazon.com
• Iosco County, Michigan Church Books at Amazon.com

 

The use of published genealogies, electronic files containing genealogical lineage, and other compiled sources can be of tremendous value to a researcher.

When view family trees online or not, be sure to only take the info at face value and always follow up with your own sources or verify the ones they provide. Below is a list of online resources for Iosco County Family Trees, web forums and other family type information. Email us with websites containing Iosco County Family Trees, web forums and other family type information by clicking the link below:

• Search for Local Michigan Researchers or Earn Money by becoming a Local Michigan Researcher!
• Search 60 Years Of Everton Data: For the first time ever you can get access to more than 150,000 pedigree files and family group sheets from Evertons. Learn More
• Sites on USGenweb: [ Iosco County ] [ Michigan ] [ Main Page ]
• Search the Family Tree DNA Project- Use DNA testing to break through your genealogical barriers!
• The Michigan Family Group Sheet Project
• Iosco County MIGenWeb Archives
• [GenForum Message Boards] [Rootsweb Message Boards]
• Genealogy Encyclopedia: General Abbreviations, Early Illnesses, Nickname Meanings, Worldwide Epidemics, Early Occupations, Common Terms, Censuses Explained, Free Genealogical Forms
• Nichols and Related Families of Alabama, Arkansas, Georgia, Florida, Kentucky, Louisiana, Mississippi, Missouri, North Carolina, South Carolina, Tennessee, Texas, and Virgina.
• Family Trees - Ancestry has thousands of family trees shared by other members. They can help you identify how ancestors are related and give you clues about birth, marriage, and death information. Family trees are an excellent resource for filling in gaps in your research or even to simply know where to begin.
• Pictures - One of the more exciting discoveries in doing family history research is finding a photograph of your ancestors or their residence. Finding historic postcard photos and drawings of towns and important events throughout history can also give you a visual look into your ancestors lives.
• Reference Materials & Finding Aids - Reference materials, including dictionaries, encyclopedias, and other how-to books, can be tremendously helpful in finding and interpreting historical documents. Many of these books can help you learn where to look for more information and how to use what you've already found to uncover more clues.
• Iosco County, Michigan Family Books at Amazon.com

 

The original residents of Iosco County were the Sauk Indians. These people were driven out of the area by a combination of the Chippewa, Ottawa, Menominee and Algonquin Indians. The Ottawa and Algonquin Indians were still in the area when European settlers arrived.

The first European to arrive in the area now known as Iosco County was an Englishman, named Henry, who escaped the Mackinac Massacre and was brought as a captive in 1764. The first explorers were French fur traders. One of these was Louis Chevalier, who landed at the mouth of the AuSable River sometime before 1800. He was to be the first European resident of the County.

Through the Treaty of Saginaw, signed by General Lewis Cass in 1819, all but 8,000 acres of Iosco were purchased from the Saginaw Band of the Chippewa Indian Tribe. The 8,000 acres, located near the mouth of the AuSable River, were kept by the tribe for hunting and fishing. Later this area was purchased for an annual stipend of $1,000-- the Indian settlement then moved north near the county line on Section 2, where it still remains.

The first settlement of European origin in the County began to develop in 1848 when two families settled near the mouth of the AuSable River. Here, fishermen were attracted to the abundant supply of trout and whitefish. Soon, sawmills began to emerge near the mouth of the river and along the shoreline of Tawas Bay. White pine, red pine and northern white cedar were amongst the first selected, and they were floated down the river to the mills. Oak, ash, maple, beech and tamarack trees were to follow by the same process.

The State of Michigan established the County in 1857. The original name was "Kanotin County." Kanotin means, "in path of the big wind," and was chosen following a devastating storm which caused Indians to avoid this area. Henry Schoolcraft later renamed the County "Iosco," which means "Water of Light".

Ottawas Bay was shortened to "Tawas Bay," and the City of Tawas City was platted there in 1855. A second, larger town was established in 1887 at a mill site that workers from Tawas City referred to as "Going East." This became the present City of East Tawas.

One of Iosco County's unique natural resources was discovered when, in 1840, gypsum was located in outcroppings on the Lake Huron shoreline. Quarries were opened in 1862 in Alabaster Township, south of Tawas Bay. In 1891, the Western Plaster Works was founded, and by 1902 that company had become the present United States Gypsum Co. In 1926, National Gypsum opened farther inland.

In 1877, the first salt wells in the County were drilled to depths of about 800-960 feet. The manufacture of salt from the high quality brine went hand-in hand with preexisting industries. Wood residues from the mills such as edgings, slabs and mis-cuts, were used as fuel to evaporate the water from the brine. The dried salt was then utilized as a preservative for the fish industry.

As with most northern Michigan counties, lumbering played a major role in the development of Iosco County. The lumbering industry commenced full-swing in the mid 1860's and ran until about 1911 when large portions of Northeast Michigan burned. Most significantly affected were Oscoda and AuSable Townships, which were completely destroyed. The Lake Huron and Southwestern Railroad was built in 1877 to haul lumber and later farm products. In 1894 it became the Detroit and Mackinac Railroad and is currently Lake State Railway Company.

Utilizing governmental statistics maintained through the 19th Century, the lumber industry reached its peak in 1890. The Iosco County population rose from 175 persons in 1860 to an extraordinary 15,244 in 1890. Unfortunately, the lumbering industry in losco County came to a practical end with the Oscoda-AuSable fire that destroyed the large Prescott Sawmill.

With the resulting reduction in employment opportunities, the population of losco County began a steady decline to 9,753 by 1910. By the early years of the Great Depression, in 1930, there were only 7,517 people residing within the County limits. By 2000, however, the population had risen to 27,339. Modern developments in electronic communication, as well as the implementation of a new highway infrastructure, are items which will bolster the trend towards a more populous Iosco County as it continues into the 21st Century.

The demise of the lumber industry made way for agriculture-- the heavily harvested forest areas in the county's interior provided open areas in which hay, potatoes, wheat, corn, peas and barley were grown. The settlement of Whittemore, located on Iosco County?s western side, provided the farming community with the goods and services it needed. Whittemore became a city in 1907.

Though Iosco County?s tremendous farming potential was initially overlooked in view of the lumbering industry, it has quickly paced itself relative to the farming counties of southern Michigan since that time. In 1879, the estimated agricultural income for losco County was only $32,548. The reported annual agricultural income adjusted in the 1984 Comprehensive Plan was $7 million. Agricultural incomes in 1994 exceeded $12,000,000.

Because of their size and diverse economies, Tawas City and East Tawas both became major stops on the railroad line. As a direct result, over 125 men were employed by railroad car shops alone. The mining and processing of gypsum became a rich part of the county's economy as early as 1861, with National Gypsum and U.S. Gypsum shipping to the world by train, ship and wagon. Michigan Gypsum also produced raw materials, distributed overland for cement manufacturing.

In 1912, Consumers Power Company began to utilize the AuSable River to produce hydroelectric power and constructed a series of dams, and now owns extensive tracts of land within the flood plain on both sides of the AuSable River. Through a licensing agreement with the Federal Government, this land is open to public recreational usage.

Recreation and tourism became important factors shortly after and concurrent with the end of timbering in the area. As early as 1903, land was developed in the mid-County regions near Sand, Round and Indian Lakes for game hunting purposes. Today, the Lake Huron shoreline and countless inland lakes are enjoyed by users of year-round homes, seasonal cottages, and tourist accommodations. Recreation and tourism are now major industries in losco County.

In 1925, a runway was built for what was to become Camp Skeel, a Federal wilderness facility. In 1942 Camp Skeel was renamed, "Oscoda Army Air Field," and served our nation during World War II. Made a part of the Strategic Air Command in 1948 as "Wurtsmith Air Force Base". The base was closed in 1992 and the property is now an advanced development feature including a college, a county airport capable of landing international traffic, a manufacturing center, and a quality residential environment.