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Family History & Genealogy

The Tiernan Family

69 documented Tiernan ancestors — traced through census, vital, cemetery, and newspaper records. Every name below is a real person in the public record.

69Documented ancestors
1876Earliest record
6Generations
The name

Origin & meaning of Tiernan

A documented family surname appearing throughout the public record, traced here through census, vital, and cemetery records.

Documented across the American record; part of a growing network of family histories.

The documented line

Tiernan ancestors in the record

Deceased Tiernan ancestors, earliest first. Living family members are deliberately omitted.

This line reaches back to Matthew Tiernan, about 1876 in Iowa. Who came before? The documented build follows the branches you can't see yet. Trace this line →
Matthew Tiernan
1876 – 1966
Iowa
Lawrence Tiernan
1881 – 1970
Iowa
Martha Tiernan
1881 – 1969
Iowa
Elizabeth Tiernan
1885 – 1973
Iowa
Joseph Tiernan
1886 – 1967
Iowa
Frank Tiernan
1886 – 1964
Iowa
Anna Tiernan
1888 – 1975
Iowa
Ada Tiernan
1889 – 1975
Iowa
Lena M Tiernan
1895 – 1988
Iowa
Helen Tiernan
1896 – 1981
Iowa
Regina Tiernan
1897 – 1968
Iowa
Ruby T Tiernan
1897 – 1991
Iowa
William Tiernan
1897 – 1971
Iowa
Raymond Tiernan
1897 – 1965
Iowa
William J Tiernan
1897 – 1988
Iowa
Walter Tiernan
1898 – 1969
Iowa
Ann Tiernan
1898 – 1978
Iowa
Eva D Tiernan
1899 – 1993
Iowa
John Tiernan
1899 – 1980
Iowa
Catherine Tiernan
1900 – 1976
Iowa
John Tiernan
1901 – 1971
Iowa
Helen Tiernan
1902 – 1985
Iowa
Clarence Tiernan
1904 – 1986
Iowa
Mildred A Tiernan
1907 – 1997
Iowa
Bernetta M Tiernan
1907 – 1999
Iowa
Leo J Tiernan
1909 – 1995
Iowa
Frances Tiernan
1910 – 1973
Iowa
Vincent Tiernan
1910 – 1971
Iowa
John W Tiernan
1911 – 2005
Iowa
Henrietta Tiernan
1912 – 1979
Iowa
Laurette Tiernan
1912 – 1998
Iowa
Walter M Tiernan
1915 – 1983
Iowa
Thomas J Tiernan
1915 – 1992
Iowa
Lawrence M Tiernan
1915 – 1994
Iowa
Catherine Tiernan
1916 – 1975
Iowa
Harold W Tiernan
1916 – 2004
Iowa
Robert Tiernan
1916 – 1985
Iowa
Virginia K Tiernan
1917 – 2003
Iowa
Maxine G Tiernan
1917 – 2012
Iowa
Channing A Tiernan
1918 – 1989
Iowa
Giles R Tiernan
1918 – 1988
Iowa
Berniece I Tiernan
1918 – 1992
Iowa
Elizabeth Tiernan
1919 – 1981
Iowa
John Tiernan
1919 – 1986
Iowa
Francis Tiernan
1920 – 1986
Iowa
Eugene W Tiernan
1920 – 2002
Iowa
Robert Tiernan
1921 – 1980
Iowa
Irene Tiernan
1921 – 1979
Iowa
Richard Tiernan
1922 – 1992
Iowa
Donald V Tiernan
1923 – 1989
Iowa
W R Tiernan
1925 – 1990
Iowa
H Eugene Tiernan
1926 – 2009
Iowa
John Tiernan
1927 – 1977
Iowa
Robert E Tiernan
1927 – 1997
Iowa
Jack P Tiernan
1928 – 2005
Iowa
Francis T Tiernan
1928 – 1990
Iowa
Martin J Tiernan
1929 – 1999
Iowa
Ruth M Tiernan
1930 – 2001
Iowa
Edwin J Tiernan
1932 – 2006
Iowa
Richard Tiernan
1933 – 1981
Iowa
Joseph F Tiernan
1935 – 2011
Iowa
Jack D Tiernan
1937 – 1998
Iowa
James W Tiernan
1939 – 2000
Iowa
Beverly F Tiernan
1939 – 2006
Iowa
Stephen Tiernan
1943 – 2000
Iowa
Thomas Tiernan
1945 – 1980
Iowa
Patrick J Tiernan
1951 – 2006
Iowa
Michael B Tiernan
1952 – 2012
Iowa
Brent A Tiernan
1962 – 2002
Iowa
Done-for-you research

Trace your documented Tiernan family

Found your Tiernan? We trace the whole line — both sides, back to the documented wall — into a written book & interactive family site. No DNA test; a free call before you spend a dollar.

Common questions

Tiernan genealogy — FAQ

Where does the Tiernan surname come from?

A documented family surname appearing throughout the public record, traced here through census, vital, and cemetery records.

How far back does the Tiernan family tree go?

The documented line here reaches back to 1876. Most Tiernan lines can be traced to the end of the surviving public record.

Are living Tiernan family members listed here?

No. Deceased ancestors only, from public records. Living people are excluded for privacy.

Is this my Tiernan family?

If a name here matches your family, it may well be. A full documented build confirms exactly how your line connects.

More family lines

Explore related surnames

Part of a network of documented family histories: