Hamilton County, Ohio Genealogy

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Guide to Hamilton County, Ohio ancestry, genealogy and family history, birth records, marriage records, death records, census records, family history, and military records.

County Facts
County seat: Cincinnati
Organized: March 1, 1803[1]
Parent County(s): Original County[2]
Neighboring Counties
Boone (KY)  • Butler  • Campbell (KY)  • Clermont  • Dearborn (IN)  • Kenton (KY)  • Warren
See County Maps
Hamilton County, Ohio Courthouse.jpg
Location Map
OH hamilton.png
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County Information[edit | edit source]

Description[edit | edit source]

The county was named for the first Secretary of the Treasury, Alexander Hamilton. It is located in the South-western area of the state.[3]

County Courthouse[edit | edit source]

Hamilton County Courthouse
1000 Main St
Cincinnati, OH 45202
Phone: 513-946-5656
Hamilton County Website

County Recorder and Auditor
138 E Court St
Cincinnati, OH 45202-1236
Phone: 513-946-4000
Recorder and Auditor

Probate Court
230 E Ninth St
Cincinnati, OH 45202
Phone: 513-946-3600
Probate Office

Probate Judge has marriage, burial and probate records;
County Health Department has death records;
Clerk Court has divorce and court records from 1900;
County Recorder has land records[4]
Land records 1794-present, maps, Veteran's Grave Registrations. "Easy Reference List of Documents Recorded in the Recorder's Office" gives a complete list of available records.
Plats 1939-present. Property search is available on their website by name or address.

Hamilton County, Ohio Record Dates[edit | edit source]

Information for this chart was taken from various sources, often containing conflicting dates. This information should be taken as a guide and should be verified by contacting the county and/or the state government agency.

Known Beginning Dates for Major County Records[5]
Birth* Marriage Death* Court Land Probate Census
1863 1808 1881 1900 1787 1790 1820
Statewide registration for births and deaths started in 1908. General compliance year is unknown.

Record Loss[edit | edit source]

  • 1814, 1849, 1884 Courthouse fires may have damaged or destroyed some records. [6]
  • Lost census: 1810

For suggestions about research in places that suffered historic record losses, see:

Boundary Changes[edit | edit source]

Populated Places[edit | edit source]

Populated Places
For a complete list of populated places, including small neighborhoods and suburbs, visit Hometown Locator. The following are the most historically and genealogically relevant populated places in this county: [8]

Unincorporated communities
Census-designated places

History Timeline[edit | edit source]

Resources[edit | edit source]

Bible Records[edit | edit source]

For an extensive list of resources for Bible Records see Ohio Bible Records.

Biographies[edit | edit source]

Business, Commerce, and Occupations[edit | edit source]

Cemeteries[edit | edit source]

Cemeteries of Hamilton County, Ohio online and in print
Tombstone Transcriptions Online
Tombstone Transcriptions in Print (Often more complete)
List of Cemeteries in the County
See Ohio Cemeteries for more information.

Census Records[edit | edit source]

Historical populations
Census Pop.
1800 14,692
1810 15,258 3.9%
1820 31,764 108.2%
1830 52,317 64.7%
1840 80,145 53.2%
1850 156,844 95.7%
1860 216,410 38.0%
1870 260,370 20.3%
1880 313,374 20.4%
1890 374,573 19.5%
1900 409,479 9.3%
1910 460,732 12.5%
1920 493,678 7.2%
1930 589,356 19.4%
1940 621,987 5.5%
1950 723,952 16.4%
1960 864,121 19.4%
1970 924,018 6.9%
1980 873,224 −5.5%
1990 866,228 −0.8%
2000 845,303 −2.4%
2010 802,374 −5.1%
Source: "Wikipedia.org".

Church Records[edit | edit source]

Church records and the information they provide vary significantly depending on the denomination and the record keeper. They may contain information about members of the congregation, such as age, date of baptism, christening, or birth; marriage information and maiden names; and death date. For general information about Ohio denominations, see Ohio Church Records.
List of Churches and Church Parishes

Court Records[edit | edit source]

Directories[edit | edit source]

  • Cincinnati Society Blue Book and Family Directory, containing the names of Householders with their residences and exact numbers; the names of adult members of each family, the Ladies reception day,; Together with a complete classification by street, suburbs and neighboring towns; names of the members of clubs; plans of theatres; personnel of the press; points of etiquette. Together with other information of local interest. (Peter G. Thomson, 1879). Online at FamilySearch Digital Library.
  • Williams' Cincinnati directory and business advertiser, for 1849-1850 (Cincinnati, Ohio: Williams' and Company, 1849). Online at FamilySearch Digital Library.
  • Williams' Cincinnati directory, city guide and business mirror for the Commencing June 1, 1862. Twelve Edition. (Cincinnati, Ohio: Williams' and Company, 1862). Online at FamilySearch Digital Library.
  • The Greater Cincinnati Telephone Directory - Summer 1946. Online at FamilySearch Digital Library.
  • Cincinnati Telephone Directory - Summer 1953. Published by Cincinnati Bell Inc. Online at FamilySearch Digital Library.
  • Cincinnati Telephone Directory - Summer 1956. Published by Cincinnati Bell Inc. Online at FamilySearch Digital Library.
  • Cincinnati Telephone Directory - Summer 1957. Published by Cincinnati Bell Inc. Online at FamilySearch Digital Library.

Emigration and Immigration[edit | edit source]

Ethnic, Political, and Religious Groups[edit | edit source]

  • Dabne, Wendell Phillips. Cincinnati's Colored Citizens: Historical Sociological and Biographical (Cincinnati, Ohio: Dabney Pub. Co., C 1926) 977.178 F2 FamilySearch

Funeral Homes[edit | edit source]

Genealogies[edit | edit source]

Guardianship[edit | edit source]

Land and Property Records[edit | edit source]

Land and property records can place an ancestor in a particular location, provide economic information, and reveal family relationships. Land records include: deeds, abstracts and indexes, mortgages, leases, grants and land patents.

See Ohio Land and Property for additional information about early Ohio land grants. After land was transferred to private ownership, subsequent transactions were usually recorded at the county courthouse and where records are currently housed.

Local Histories[edit | edit source]

Local histories are available for this county. County histories may include biographies, church, school and government history, and military information. For more information about local histories, see Ohio Local Histories.

Maps and Gazetteers[edit | edit source]

Franklin CountyDearborn CountyBoone CountyKenton CountyCampbell CountyButler CountyWarren CountyClermont CountyOH HAMILTON.PNG
Click a neighboring county
for more resources

Migration[edit | edit source]

Military Records[edit | edit source]

Civil War
Civil War service men from Hamilton County served in various regiments. Men often joined a company (within a regiment) that originated in their county. Listed below are companies that were specifically formed in Hamilton County.

-11th Regiment, Ohio Infantry, Company K (Union Rifles)

World War I

Naturalization and Citizenship[edit | edit source]

Online Naturalization Indexes and Records

Newspapers[edit | edit source]

Hamilton County newspapers often contain genealogical value including obituaries, births, marriages, deaths, anniversaries, family gatherings, family travel, achievements, business notices, engagement information, and probate court proceedings.

Obituaries[edit | edit source]

Other Records[edit | edit source]

Periodicals[edit | edit source]

Probate Records[edit | edit source]

From 1797 or the creation of the county, probate records were held by the Court of Common Pleas. After 1852, records are held by the Hamilton County Probate Court. Records include wills, estates, guardianships, naturalizations, marriage, adoption, and birth and death records (1867-1908 only). The records may give the decedent's date of death, name of spouse, children, parents, siblings, in-laws, neighbors, associates, relatives, and their place of residence.

See Ohio Probate Records for information about how to use probate records.

Online Probate Indexes and Records

School Records[edit | edit source]

Social Security Records[edit | edit source]

Tax Records[edit | edit source]

Ohio tax records complement land records and can be used in place of censuses before 1820 or to supplement the years between censuses. Because only persons who owned taxable property were listed, many residents were not included in tax lists. There may also be gaps of several years in the tax records of some counties.

Online Tax Indexes and Records

Vital Records[edit | edit source]

Vital records consist of birth, death, marriage and divorce records. Marriages were usually recorded from the formation of the county and are held at the office of the County Probate Court. Divorce records are located with the county Clerk of Courts.

Any existing birth and death records from 1867 through December 19, 1908 are located at the County Probate Court. The Ohio Department of Health has birth records filed after December 20, 1908 and death records filed after January 1, 1954, while the Ohio History Connection houses death records from December 20, 1908 through December 31, 1953.

Birth[edit | edit source]

Marriage[edit | edit source]

Death[edit | edit source]

Divorce[edit | edit source]

Research Facilities[edit | edit source]

Archives[edit | edit source]

Listed below are archives in Hamilton County. For state-wide archival repositories, see Ohio Archives and Libraries.

Family History Centers[edit | edit source]

Family History Center and Affiliate Library Locator map - search for local Family History Centers or Affiliate Libraries

  • Family History Centers provide one-on-one assistance, free access to center-only databases, and to premium genealogical websites.
  • FamilySearch Affiliate Libraries have access to most center-only databases, but may not always have full services normally provided by a family history center.

Local Centers and Affiliate Libraries

Libraries[edit | edit source]

Listed below are libraries in Hamilton County. For state-wide library facilities, see Ohio Archives and Libraries.

Public Library of Cincinnati and Hamilton County
800 Vine St
Cincinnati, OH

Cincinnati History Library and Archives
1301 Western Ave
Cincinnati, OH 45203

University of Cincinnati Archives and Rare Books Library
8th Floor Blegen Library
PO Box 210113
2602 McMicken Circle
Cincinnati, OH 45221-0113
(513) 556-1959

Museums[edit | edit source]

Heritage Village Museum
11450 Lebanon Rd
Sharonville, OH 45241

Cincinnati Museum Center
1301 Western Ave
Cincinnati, OH 45203

Societies[edit | edit source]

Listed below are societies in Hamilton County. For state-wide genealogical societies, see Ohio Societies.

Hamilton County Chapter, Ohio Genealogical Society
PO Box 15865
Cincinnati, OH 45215-0865

The Cincinnati Historical Society
800 E 17th Ave
Columbus OH 43211

Websites[edit | edit source]

Research Guides[edit | edit source]

References[edit | edit source]

  1. Ohio Historical Boundary Changes - list of all boundary changes by county provided by Newberry Library
  2. 2.0 2.1 http://en.wikipedia.org/wiki/Northwest_Territory last updated 3 February 2011
  3. Genealogy Trails History Group, “Hamilton County, Ohio Genealogy and History”, http://genealogytrails.com/ohio/hamilton/ accessed 2/17/2017.
  4. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Ohio.At various libraries (WorldCat); FHL Book 973 D27e 2002.
  5. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Ohio.At various libraries (WorldCat); FHL Book 973 D27e 2002.
  6. Carol Willsey Bell, Ohio Guide to Genealogical Sources ([Baltimore]: Genealogical Pub. Co., Inc., 1988).
  7. Ohio Historical Boundary Changes - list of all boundary changes by county provided by Newberry Library
  8. Wikipedia contributors, "Hamilton County, Ohio," in Wikipedia: the Free Encyclopedia, https://en.wikipedia.org/wiki/Hamilton_County,_Ohio, accessed 11 December 2018.