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Family History & Genealogy

The Oleary Family

2,375 Oleary records from public death, burial and census records and the old county histories, in all 12 Midwestern states we cover. Every name is a real person in the public record, and we follow set rules to leave living people out (how).

2,375Records in our database
1827Earliest birth
See the Oleary family trees →139 Oleary families pieced together from public birth and death records, county histories and old newspapers
At a glance

2,375 Oleary records in our database

From public death, burial and census records across 12 Midwestern states. We follow set rules to leave living people out (how). Tap a state or a decade to narrow the list of ancestors below.

Where

North Dakota: 23 Oleary recordsSouth Dakota: 70 Oleary recordsNebraska: 77 Oleary recordsKansas: 46 Oleary recordsMinnesota: 162 Oleary recordsIowa: 119 Oleary recordsMissouri: 395 Oleary recordsWisconsin: 400 Oleary recordsIllinois: 481 Oleary recordsMichigan: 234 Oleary recordsIndiana: 58 Oleary recordsOhio: 310 Oleary records2370774616211939540048123458310
fewer more

When they were born

Born in the 1820s: 120Born in the 1830s: 0Born in the 1840s: 040Born in the 1850s: 1Born in the 1860s: 260Born in the 1870s: 34Born in the 1880s: 13780Born in the 1890s: 306Born in the 1900s: 4371900Born in the 1910s: 498Born in the 1920s: 25320Born in the 1930s: 96Born in the 1940s: 5440Born in the 1950s: 43Born in the 1960s: 1460Born in the 1970s: 7Born in the 1980s: 480Born in the 1990s: 1
  • Most records: Illinois (481 of 2,375)
  • Most common birth decade: the 1910s
  • Earliest birth in the database: Catherine O'Leary, born 1827, Illinois
Documented families

Oleary families we have traced

Written from county histories and public records, every fact cited. We follow set rules to leave living people out (how).

Family trees from the public record

In old newspapers

People in the record

Oleary people in our records

120 of the 2,213 Oleary people in our records, from every state where the name turns up: the earliest born and the most recent deaths, newest first. Tap a name to open that person's page. Someone listed in two public indexes is shown once. Search every Oleary record →

Andrew Michael O'Leary
1951 to 2020
Freeborn, Minnesota
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Eileen Ethel O'Leary
1926 to 2020
Ramsey, Minnesota
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Thomas John O'Leary
1959 to 2020
Le Sueur, Minnesota
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Colleen Marie O'Leary
1958 to 2019
Hennepin, Minnesota
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Betty J Oleary
1922 to 2012
Iowa
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Betty M Oleary
1933 to 2012
Iowa
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Eithenee J Oleary
1921 to 2012
Iowa
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Bert E Oleary
1912 to 1999
Ohio
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Betty Jean Oleary
1923 to 1999
Rock, Wisconsin
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Clara L Oleary
1913 to 1999
Illinois
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Daniel J Oleary
1937 to 1999
Illinois
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Daniel V Oleary
1906 to 1999
Ohio
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Donald Francis Oleary
1917 to 1999
Dane, Wisconsin
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Dorothea F Oleary
1914 to 1999
Ohio
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Dorothy Elizabeth Oleary
1910 to 1999
Waukesha, Wisconsin
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Edward Oleary
1909 to 1999
Illinois
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Emma Oleary
1906 to 1999
Ohio
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Florence T Oleary
1909 to 1999
Illinois
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Gerald F Oleary
1930 to 1999
Illinois
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Gertrude J Oleary
1924 to 1999
Michigan
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Helen M Oleary
1916 to 1999
Indiana
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James C Oleary
1925 to 1999
Michigan
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James F O'Leary
1930 to 1999
Illinois
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Jay Patrick Oleary
1941 to 1999
Rock, Wisconsin
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Jerome F Oleary
1916 to 1999
Illinois
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John F Oleary
1909 to 1999
Ohio
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John J Oleary
1930 to 1999
Wisconsin
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John J Oleary
1927 to 1999
Wisconsin
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June Oleary
1929 to 1999
Michigan
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Kevin P Oleary
1968 to 1999
Illinois
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Margaret M Oleary
1910 to 1999
Missouri
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Marian M Oleary
1921 to 1999
Wisconsin
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Marilyn A Oleary
1932 to 1999
Michigan
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Martin B Oleary
1923 to 1999
North Dakota
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Mary Oleary
1907 to 1999
Ohio
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Mary Oleary
1926 to 1999
Illinois
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Marybelle Oleary
1927 to 1999
Michigan
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Nancy B Oleary
1909 to 1999
Missouri
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Nedra M Oleary
1922 to 1999
Michigan
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Ruth F Oleary
1927 to 1999
Kansas
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Ruth N Oleary
1928 to 1999
Missouri
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Thomas G Oleary
1925 to 1999
Missouri
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Dorothy H O'Leary
1923 to 1998
Missouri
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Eileen T Oleary
1919 to 1998
South Dakota
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Frances Elaine Oleary
1919 to 1998
Walworth, Wisconsin
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James M Oleary
1929 to 1998
Illinois
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Josie L Oleary
1902 to 1998
Missouri
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Marion Oleary
1909 to 1998
Walworth, Wisconsin
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Mildred C Oleary
1916 to 1998
Missouri
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Roy E O'Leary
1921 to 1998
Illinois
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William E Oleary
1953 to 1998
Ohio
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William J Oleary
1912 to 1998
Ohio
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Helen L Oleary
1916 to 1997
Missouri
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Gene E Oleary
1920 to 1995
South Dakota
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Robert J Oleary
1924 to 1995
Douglas, Nebraska
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Nancy R Oleary
1930 to 1993
Nebraska
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Florence Oleary
1881 to 1979
Michigan
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Mae Oleary
1880 to 1979
Missouri
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Frank Oleary
1886 to 1977
Missouri
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Emma Oleary
1883 to 1976
Wisconsin
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Irene Oleary
1887 to 1975
Michigan
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Mary Oleary
1876 to 1975
Ohio
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Francis Oleary
1889 to 1973
North Dakota
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George Oleary
1885 to 1973
Michigan
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John Oleary
1883 to 1972
Ohio
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Alice Oleary
1881 to 1971
Missouri
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John Oleary
1884 to 1971
Missouri
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Mayme Oleary
1877 to 1971
Ohio
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Tom Oleary
1882 to 1971
North Dakota
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Ellen Oleary
1878 to 1970
South Dakota
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Fannie Oleary
1885 to 1970
Missouri
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Mary Oleary
1877 to 1970
Iowa
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Timothy Oleary
1879 to 1970
Wisconsin
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William Oleary
1880 to 1970
Wisconsin
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David Oleary
1876 to 1969
Kansas
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Henry Oleary
1884 to 1969
Ohio
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Lucy Oleary
1884 to 1969
Ohio
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Alice Oleary
1881 to 1968
Wisconsin
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Anna Oleary
1881 to 1968
Ohio
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Dessie Oleary
1880 to 1968
Ohio
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Elizabeth Oleary
1877 to 1968
Nebraska
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Ellen Oleary
1878 to 1968
Wisconsin
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Frank Oleary
1881 to 1968
Wisconsin
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John F O Leary
1874 to 1968
Douglas, Nebraska
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Thomas P Oleary
1882 to 1968
Minnesota
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Amy Oleary
1873 to 1967
Illinois
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Anna L Oleary
1880 to 1967
Minnesota
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Dean Oleary
1873 to 1967
Illinois
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Jeremiah Oleary
1885 to 1967
Michigan
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John Oleary
1874 to 1967
Iowa
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Lizzie Oleary
1887 to 1967
Missouri
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Mary Oleary
1869 to 1967
Illinois
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Pete Oleary
1888 to 1967
Missouri
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Timothy Oleary
1871 to 1967
Kansas
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Caroline Oleary
1881 to 1966
Wisconsin
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Catherine Oleary
1875 to 1966
Illinois
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Edward M Oleary
1873 to 1966
Minnesota
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Jerry Oleary
1875 to 1966
Minnesota
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Joanna Oleary
1875 to 1966
Illinois
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John Oleary
1883 to 1966
Michigan
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Max Oleary
1886 to 1966
Michigan
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William Oleary
1878 to 1966
Indiana
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Harry Oleary
1872 to 1965
Indiana
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Henry Oleary
1882 to 1965
Wisconsin
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Nellie Oleary
1873 to 1965
South Dakota
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Ralph Oleary
1882 to 1965
Wisconsin
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Andrew Oleary
1876 to 1964
Illinois
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Catherine Oleary
1887 to 1964
Missouri
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Catherine Oleary
1878 to 1964
Michigan
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Dennis Oleary
1874 to 1964
Iowa
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John Oleary
1879 to 1964
Ohio
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Thomas Oleary
1877 to 1964
Ohio
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Dennis Oleary
1876 to 1963
Minnesota
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Louisa Oleary
1871 to 1963
Illinois
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Daniel Oleary
1879 to 1962
Wisconsin
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John William O'Leary
1875 to 1946
Illinois
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Charley O'Leary
1875 to 1941
Illinois
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James Patrick O'Leary
1869 to 1925
Illinois
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Dan O'Leary
1856 to 1922
Illinois
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Catherine O'Leary
1827 to 1895
Illinois
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Done-for-you research

Trace your documented Oleary family

Found your Oleary? We trace your family back as far as the records go and write it up as a family history book, every source cited. No DNA test and no sales call: we take a free first look, then email you a plan and a flat price before you spend a dollar.

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Common questions

Oleary genealogy: FAQ

Where were Oleary ancestors recorded?

Our database holds 2,375 Oleary records from all 12 Midwestern states. The most are in Illinois (481), then Wisconsin (400) and Missouri (395).

How far back does the Oleary family tree go?

The earliest Oleary birth in our database is 1827: Catherine O'Leary, Illinois. We have pieced together 139 Oleary family trees from public birth and death records.

Are living Oleary family members listed here?

Not knowingly. We follow set rules to leave living people out of our public pages. If you find a living relative listed here, email us and we will take the record down.

Is this my Oleary family?

Maybe. Many people share a name, so treat any match as a possible match until the dates and places line up with what you know about your family. Every person here links to their own page with the details, and we can trace your line for you.

More family lines

Explore related surnames

Part of a network of documented family histories: