Montgomery County, Ohio Genealogy

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

County Facts
County seat: Dayton
Organized: 1 May 1803[1]
Parent County(s): Hamilton, Wayne[2]
Neighboring Counties
Darke  • Miami  • Clark  • Greene  • Warren  • Butler  • Preble
See County Maps
Montgomery County, Ohio Courthouse.jpg
Location Map
OH montgomery.png

County Information[edit | edit source]

Description[edit | edit source]

The county was named in honor of Richard Montgomery, an American Revolutionary War general killed in 1775 while attempting to capture Quebec City, Canada. It is located in the bottom Southwest area of the state.[3]

County Courthouse[edit | edit source]

Montgomery County Courthouse
41 N Perry St, Room 106
Dayton, OH 45422-2150
Phone: 937-496-7623
Montgomery County Website

Clerk Court has divorce and court records.
Probate Judge has birth, marriage, death and probate records.
County Recorder has land records.[4]

Montgomery 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
1867 1803 1866 1803 1805 1803 1820
Statewide registration for births and deaths started in 1908. General compliance year is unknown.

Record Loss[edit | edit source]

There is no known history of courthouse disasters in this county.

Boundary Changes[edit | edit source]

Populated Places[edit | edit source]

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
Historic communities
Ghost towns

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]

  • Conover, Frank. Centennial portrait and biographical record of the city of Dayton and of Montgomery County, Ohio, containing biographical sketches of prominent and representative citizens, together with the biographies and portraits of the Presidents of the United States and biographies of the governors of Ohio. (A.W. Bowen & Co., 1897). Online at FamilySearch Digital Library, Goggle Books.

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

Cemeteries[edit | edit source]

Cemeteries of Montgomery 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.
1810 7,722
1820 15,999 107.2%
1830 24,362 52.3%
1840 31,938 31.1%
1850 38,218 19.7%
1860 52,230 36.7%
1870 64,006 22.5%
1880 78,550 22.7%
1890 100,552 28.0%
1900 130,146 29.4%
1910 163,763 25.8%
1920 209,532 27.9%
1930 273,481 30.5%
1940 295,480 8.0%
1950 398,441 34.8%
1960 527,080 32.3%
1970 606,148 15.0%
1980 571,697 −5.7%
1990 573,809 0.4%
2000 559,062 −2.6%
2010 535,153 −4.3%
Source: "".

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

The Church of Jesus Christ of Latter-day Saints
Ward and Branch Records of The Church of Jesus Christ of Latter-day Saints

  • Dayton


  • Records of Hope Lutheran Church, Dayton, in Evangelical Lutheran Church in America database at ($).

Court Records[edit | edit source]

Directories[edit | edit source]

  • Lyford, W.G. The western address directory : containing the cards of merchants, manufacturers, and other business men, in Pittsburgh, (Pa.) Wheeling, (Va.) Zanesville, (O.) Portsmouth, (O.) Dayton, (O.) Cincinnati, (O.) Madison, (Ind.) Louisville, (K.) St. Louis, (Mo.); Together with historical, topographical & statistical sketches, (for the year 1837,) of those cities and towns in the Mississippi valley; intended as a guide to travelers; to which is added, alphabetically arranged, a list of the steam-boats on the western waters. Published by Jos. Robinson, Baltimore, Maryland, 1837. Online at: FamilySearch Digital Library; Archive

Emigration and Immigration[edit | edit source]

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

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]

Warren CountyGreene CountyButler CountyPreble CountyDarke CountyMiami CountyClark CountyOH MONTGOMERY.PNG
Click a neighboring county
for more resources

Migration[edit | edit source]

Military Records[edit | edit source]

Civil War
Civil War service men from Montgomery 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 Montgomery County.

- 1st Independent Battery, Ohio Light Artillery, a battery is like a company in an artillery regiment.
- 4th Regiment, Ohio Cavalry, Company H
- 113th Regiment, Ohio Infantry, Company I

World War I

Additional Records

Naturalization and Citizenship[edit | edit source]

Online Naturalization Indexes and Records

Newspapers[edit | edit source]

Montgomery 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 Montgomery 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 Montgomery County. For state-wide archival repositories, see Ohio Archives and Libraries.

Montgomery County Records Center & Archives
117 S Main St
PO Box 972
Dayton OH 45422

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 Montgomery County. For state-wide library facilities, see Ohio Archives and Libraries.

Dayton Metro Library
Main Library
215 E Third St
Dayton, OH 45402-2103

Germantown Public Library
51 N Plum St
Germantown, OH 45327-1357

Washington-Centerville Public Library
111 W Spring Valley Rd
Centerville, OH 45458

Wright Memorial Public Library
1776 Far Hills Ave
Oakwood, OH 45419-2598

Museums[edit | edit source]

Carillon Historical Park
1000 Carillon Blvd
Dayton, OH 45409

Museums in Dayton
Dayton Local website

Societies[edit | edit source]

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

Montgomery County Chapter of the Ohio Genealogical Society
P.O. Box 1584
Dayton, OH 45401-1584

Dayton History
1000 Carillon Blvd
Dayton, OH 45409
Website Facebook

Miami Valley Genealogy
P.O. Box 808
Piqua, OH 45356
Website and The Troy Historical Society, Miami Valley Genealogy

Index to more than a half-million pointers to records all over Miami Valley including Montgomery County.

Websites[edit | edit source]

Research Guides[edit | edit source]

References[edit | edit source]

  1. Ohio Atlas of Historical County Boundaries Ohio: Individual County Chronologies; Copyright The Newberry Library 2007
  2. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Ohio.At various libraries (WorldCat); FHL Book 973 D27e 2002.
  3. Genealogy Trails History Group, “Miami County, Ohio Genealogy and History”, accessed 10/13/2020.
  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. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Ohio.At various libraries (WorldCat); FHL Book 973 D27e 2002.
  7. Ohio Atlas of Historical County Boundaries Ohio: Individual County Chronologies; Copyright The Newberry Library 2007
  8. Wikipedia contributors, "Montgomery County, Ohio," in Wikipedia: the Free Encyclopedia,,_Ohio, accessed 3 January 2019.