Union County, Ohio Genealogy

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

Description
The county was named after its origins, it being the union of portions of Franklin, Delaware, Madison, and Logan counties. It is located in the West-central area of the state.

County Courthouse
Union County Courthouse 215 W 5th Street Marysville, OH 43040 Phone: 937-645-3006 Union County Website

County recorder has land records from 1819; Probate Court has birth, marriage, death and probate records

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:

Occupations

 * 1916-1956 Registered Nurse Record, Vol. 1 at Union County Record Service and Archives
 * 1941-1976 Minister Licenses, Vol. D at Union County Record Service and Archives
 * 1968-1996 Union County Medical Certificates, Vol. 2 at Union County Record Service and Archives

Land and Property Records
Online Land Indexes and Records
 * 1875-1994 Grantor and Grantee Indexes at Union County Record Center and Archives

Local Histories

 * Curry, William Leontes, History of Union County, Ohio: Its People, Industries and Institutions, with Biographical Sketches of Representative Citizens and Genealogical Records of Many of the Old Families, (Indianapolis, Ind.: B. F. Bowen and Co., 1915). Online at: FamilySearch Digital Library; Internet Archive.
 * Durant, P.A., The History of Union County, Ohio: Containing a History of the County, its Townships, Towns, Military Records, Portraits of Early Settlers and Prominent Men, (Salt Lake City, Utah: Filmed by the Genealogical Society of Utah, 1971). Online at FamilySearch Digital Library.
 * Ohio Indexes at EveryNameIndex.com — Select the county.

Maps and Gazetteers

 * Maps of Ohio (1788-1940) at MapofUS
 * Kunkel, Joan, Union County, Ohio, Atlas, (Philadelphia: Harrison, Sutton & Hare, 1877); Online at FamilySearch Digital Library

Military Records

 * 1820-2009 Record of War Veterans' Graves at Union County Record Center and Archives
 * 1820-2011 Union County, Ohio, Veterans' Burial Registration Cards (1820-2011) at Union County Record Center and Archives
 * 1888-1919 at FamilySearch — How to Use this Collection; index and images.

Civil War Civil War service men from Union 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 Union County.
 * -1st Regiment, Ohio Cavalry, Companies D and K
 * -96th Regiment, Ohio Infantry, Company K, roster

World War I
 * 1914-1918 at FamilySearch — How to Use this Collection; index and images.
 * 1914-1919 at FamilySearch — How to Use this Collection; index and images.
 * 1916-1920 at FamilySearch — How to Use this Collection; index and images.

Naturalization and Citizenship
Online Naturalization Indexes and Records
 * 1800-1977 at FamilySearch — How to Use this Collection; index and images.

Newspapers

 * 1793-late 1900s at History Connection —  Select county.
 * 1793-2009 Ohio Newspapers, 1793-2009 at MyHeritage — index & images, ($)
 * Early-late 1900s Newspapers at Ohio Memory — sort by County, City, Time Period, and more.

Obituaries

 * Union County Obituary Index at Union County Chapter of the Ohio Genealogical Society - index of the obituaries available in the genealogy section of the Marysville Public Library.
 * Bouic Index at Mid-Ohio Genealogy Database ($) Video about how to use this collection created by the Marysville Public Library
 * Obituaries at USGenWeb Archives

Probate Records
Online Probate Indexes and Records
 * 1786-1998 Ohio, Wills and Probate Records 1786-1998 at Ancestry ($) — index and images.
 * 1789-1996 at FamilySearch.org — How to Use this Collection; index and images.
 * 1941-1960 Record of Wills, Vols. Y-Z at Union County Record Service and Archives

Social Security Records

 * 1935-2014 at FamilySearch — How to use this collection; index. Also at Ancestry, findmypast, Fold3, GenealogyBank, MyHeritage, and Steve Morse. Click here for more information.
 * 1936-2007 U.S., Social Security Applications and Claims Index, 1936-2007 at Ancestry ($) — index, click here for more information.

Tax Records
Online Tax Indexes and Records
 * 1800-1850 at FamilySearch — How to Use this Collection; index and images.
 * 1800-1850 Ohio Tax Records, 1800-1850 at MyHeritage ($) — index
 * Union County Tax Records at Union County Record Center.

Birth

 * 1841-2003 at FamilySearch — How to Use this Collection; index and images.
 * 1867-1908 Birth Records, Vol. 1-4 at Union County Record Service and Archives
 * 1940-1958 Delayed Birth Registrations and Corrections, Vol. 0-3 at Union County Record Service and Archives
 * 1959-1998 Ohio, Birth Index, 1959-1998 at MyHeritage - index ($)

Marriage

 * 1789-2013 at FamilySearch — How to Use this Collection; index and images.
 * 1800-1942 at FamilySearch — How to Use this Collection; index.
 * 1800-1958 at FamilySearch — How to Use this Collection; index.
 * 1820-1904; 1951-1967 Marriages, 1820-1904, 1951-1967 at Union County Records Center and Archives - images
 * 1970-2003 Ohio, Marriages, 1970 - 2003 at MyHeritage ($) — index

Death

 * 1833-1967 at FamilySearch — How to Use this Collection; index
 * 1840-2001 at FamilySearch — How to Use this Collection; index and images.
 * 1908-1932, 1938–1944, and 1958–2007 at FamilySearch – How to Use this Collection; Index.
 * 1867-1908 Deaths Records, Vol. 1-3, 1867-1908 at Union County Records Center and Archives - images
 * 1908-1932, 1938-2018 Ohio, Death Records, 1908-1932, 1938-2018 at Ancestry ($) — index and images
 * 1913-1944, 1954-1963 Ohio Death Index, 1913-1944, 1954-1963 at MyHeritage ($) — index

Divorce

 * 1962-1990 Divorce Appearance Dockets 1962-1990 at Union County Records Center and Archives
 * 1962-2007 Ohio, Divorce Abstracts, 1962-1963, 1967-1971, 1973-2007 at Ancestry ($)

Archives
Union County Records Center & Archives 128 S Main St Suite 114 Marysville, OH 43040 937-645-4177 Website

Family History Centers

 * Columbus Ohio North Family History Center (Dublin)
 * Marysville Public Library - an affiliate library

Libraries
Marysville Public Library 231 S Plum St Marysville, OH 43040 937-642-1876 Website Richwood-North Union Public Library 4 E Ottawa St Richwood, OH 43344-1296 740-943-3054 Website

Museums
Union County Historical Society Museum PO Box 303 Marysville, OH 43040 937-644-0568 Website

Societies
Union County Historical Society 246 W 6th St PO Box 303 Marysville, OH 43040 937-644-0568 Website Union County Genealogical Society PO Box 438 Marysville, OH 43040-0438 Website

Websites

 * Local Gov't Records by County at Ohio History Connection — Browse their list; records are not online.
 * Custom Browse of Historical Collections at Ohio Memory — Use map or alpha bar to select county or place, then browse search options in left sidebar.
 * Ohio Genealogical Society ($) — online databases
 * Union County OH Genealogy at LDS Genealogy
 * USGenWeb project at OHGenWeb. May have maps, name indexes, history or other information for this county. Select the state, then the county.
 * USGenWeb Archives, Union County
 * – The FamilySearch catalog contains descriptions and access information for all genealogical materials (including books, online materials, microfilm, microfiche, and publications) in their collection.  Use Historical Records to search for specific individuals in genealogical records.