Miami County, Ohio Genealogy

Guide to Miami 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 for the Miami Indians. It is located in the West-Central area of the state.

County Courthouse
Miami County Courthouse 215 W Main St Troy, OH 45373-3263 Phone: 937-440-3910 Miami County Website

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:

Biographies

 * Biographical Sketches and Stories at The Troy Historical Society of Miami County Ohio - People, places, and things. Indexed by surname
 * Biographies from The History of Miami County, Ohio (1880) at My Genealogy Hound published by W. H. Beers - indexed. The full book is listed next.
 * The History of Miami County, Ohio: containing a history of the county; its cities, towns, etc.; general and local statistics; portraits of early settlers and prominent men; history of the Northwest Territory; history of Ohio. Published by W.H Beers, 1880. online at: FamilySearch Digital Library
 * A Genealogical and Biographical Record of Miami County, Ohio: Compendium of National Biography (Chicago, Illinois: Lewis Publishing, 1900). Online at FamilySearch Digital Library, Google Books, Internet Archive.

Church Records

 * List of Churches at Ohio HomeTownLocator

Lutheran
 * Records of St. John's Lutheran Church, Piqua, in Evangelical Lutheran Church in America database at Archives.com ($).

Court Records

 * Records from Miami County Courthouse and other Locations at The Troy Historical Society - Indexes containing Probate Court Index, Deeds Index, Marriage Index, Children's Home records, Pauper's Records, etc.

Genealogies
Miami Valley Genealogy Index at Preble County District Library is an Index to more than a half million pointers to records all over Miami Valley not just Miami County, Ohio.

Local Histories

 * Harbaugh, Thomas C., Centennial History: Troy, Piqua and Miami County, Ohio and Representative Citizens, (Chicago, Illinois: Richmond-Arnold Publishing Company, 1909). Online at FamilySearch Digital Library, Internet Archive.
 * Sterrett, Frank M., A History of Miami County, Ohio, (Troy, Ohio: Montgomery Printing, 1917). Online at FamilySearch Digital Library; part 1 online at Hathitrust; part 2 online at Hathitrust
 * Miller, Irene E., History of Miami County, Ohio, (Tipp City, Ohio: Miami County Genealogy and Historical Society, 1982).
 * The History of Miami County, Ohio: Containing a History of the County; Its Cities, Towns, Etc, (Chicago, Illinois: W.H. Beers, 1880). Online at FamilySearch Digital Library, Google Books, Internet Archive, Ancestry ($) - (Indexed).
 * Hill, Leonard U., A History of Miami County, Ohio, 1807-1953, (Columbus, Ohio: 1953). Online at FamilySearch Digital Library
 * Histories of Miami County at The Troy Historical Society for 1846, 1880, 1909, 1920 and Randolph Slaves.
 * Ohio Indexes at EveryNameIndex.com — Select the county.

Maps and Gazetteers

 * Maps of Ohio (1788-1940) at MapofUS.org

Military Records

 * 1888-1919 at FamilySearch — How to Use this Collection.

Civil War, 1861-1865 Civil War service men from Miami 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 Miami County.


 * - 1st Regiment, Ohio Cavalry, Company I

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

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

Newspapers

 * 1793-late 1900's at History Connection —  Select county.
 * Early- late 1900's Newspapers at Ohio Memory — sort by County, City, Time Period, and more.

Probate Records
Online Probate Indexes and Records
 * 1786-1998 Ohio, Wills and Probate Records 1786-1998 at Ancestry ($) — index and images.
 * 1789-1996 at FamilySearch.org — How to Use this Collection.
 * 1803-1850 Miami Valley will abstracts at Ancestry.com ($) original data

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.
 * 1800-1850 Ohio Tax Records, 1800-1850 at MyHeritage ($) — index
 * 1810-1840 Early Tax and Census at The Troy Historical Society

Birth

 * 1774-1973 Ohio, Births and Christenings Index, 1774-1973 at Ancestry ($) — index
 * 1821-1962 at FamilySearch — How to Use this Collection
 * 1841-2003 at FamilySearch — How to Use this Collection.
 * 1908-1998 Ohio, Birth Index, 1908-1998 at Ancestry ($) — index
 * 1959-1998 Ohio, Birth Index, 1959-1998 at MyHeritage - index ($)

Marriage

 * 1789-2013 at FamilySearch — How to Use this Collection.
 * 1800-1942 at FamilySearch — How to Use this Collection.
 * 1800-1958 at FamilySearch — How to Use this Collection.
 * 1970-2003 Ohio, Marriages, 1970-2003 at MyHeritage ($) — index

Death

 * 1840-2001 at FamilySearch — How to Use this Collection.
 * 1908-1932, 1938–1944, and 1958–2007 at FamilySearch – How to Use this Collection
 * 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

 * 1962-2007 Ohio, Divorce Abstracts, 1962-1963, 1967-1971, 1973-2007 at Ancestry ($)

Family History Centers

 * Dayton Ohio Family History Center
 * Dayton Ohio East Family History Center
 * Piqua Public Library - an affiliate library

Libraries
The following public libraries in Miami County have collections of particular interest to genealogists.

Troy-Miami County Public Library 419 W Main St Troy, OH 45373 937-339-0502 Website J. R. Clarke Public Library 102 E Spring St Covington, OH 45318-1500 937-473-2226 Website Milton-Union Public Library 560 S Main St West Milton, OH 45383-1406 937-698-5515 Website Piqua Public Library 116 W High St Piqua, OH 45356 937-773-6753 Website Tipp City Public Library 11 E Main St Tipp City, OH 45371 937-667-3826 Website

Museums
Museum of Troy History 124 E Water St Troy, OH 45373 937-339-5155 Email:[mailto:museumoftroyhistory124@gmail.com museumoftroyhistory124@gmail.com] Website The Miami Valley Military History Museum Building 120 120 Ohio Ave Dayton, OH 45428 937-267-7628 E-mail:[mailto:mvmhm2007@gmail.com mvmhm2007@gmail.com] Website

Societies
Miami County Historical & Genealogical Society, Inc PO Box 808 Piqua, OH 45356 E-mail:[mailto:mchgsohio@gmail.com mchgsohio@gmail.com] Website Troy Historical Society PO Box 401 100 W Main St Troy, OH 45373 937-339-5900 E-mail:[mailto:tths@frontier.com tths@frontier.com] Webpage

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
 * Miami County OH Genealogy at LDS Genealogy
 * Miami County OhGenWeb at OHGenWeb
 * Miami County USGW Archive at USGenWeb Archive
 * Miami County, Ohio at The Troy Historical Society - links to court records, newspapers, histories of the county, etc.
 * – 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.