Conan O’Brien

by ethnic on July 18, 2009


Birth Name: Conan Christopher O’Brien

Place of Birth: Brookline, Massachusetts, U.S.

Date of Birth: April 18, 1963

Ethnicity: Irish

Conan O’Brien is an American television host, comedian, writer, producer, and musician. He has hosted the show Conan since 2010. He previously hosted the shows Late Night with Conan O’Brien, from 1993 to 2009, and The Tonight Show with Conan O’Brien, from 2009 to 2010.

Conan is the son of Ruth M. (Reardon) and Thomas Francis O’Brien. He has said that he is of entirely Irish descent. He has also stated (at 2:17):

I had genetic testing done… Lisa Kudrow got me to do it ’cause she has that show [Who Do You Think You Are?]… [and I am] 99.8 percent Irish… I think I’m more Irish than people living in Ireland.

Conan is married to Elizabeth Ann Powel, with whom he has two children. Through marriage, he is a distant cousin of comedian and actor Denis Leary.

Conan’s paternal grandparents were Thomas Francis O’Brien and Esther M. Thomas was born in Massachusetts, to Irish parents, with his father being from Dungarvan, Waterford, Munster. Esther was born in Massachusetts, to an Irish father and a Massachusetts-born mother.

Conan’s maternal grandfather was James Francis Reardon (the son of Patrick J. Reardon and Margaret Joyce Marshall). James was born in Massachusetts. Patrick was born in Kilcummin, Kerry, Ireland, the son of John Reardon and Margaret Daley. Conan’s great-grandmother Margaret Marshall was born in Castleisland, Kerry, Ireland, the daughter of John Marshall and Mary Connor.

Conan’s maternal grandmother was Ruth Frances Powers (the daughter of Edward B. Powers and Mary E. Gavin). Ruth was born in Massachusetts. Edward was born in New York. Mary E. was born in Massachusetts, the daughter of Irish parents, James Gavin and Bridget.

Sources: Genealogies of Conan O’Brien –

Photo by kathclick/

{ 11 comments… read them below or add one }

visokozen October 3, 2015 at 11:35 pm

What about his wife.

scott August 23, 2014 at 5:14 pm

a great man

roman2886 August 10, 2014 at 5:47 am

Where about in Ireland do the ancestors of unmixed Irish Americans come from I’m guessing Southern Ireland not so much fun Northern Ireland.

roman2886 August 10, 2014 at 5:43 am

He is from Boston there is a lot of unmixed Irish Americans in Boston due too large number of Irish families.

roman2886 March 25, 2014 at 2:04 pm

He is ancestry is pure Irish he has no English Scottish and Welsh he has 100% Irish.

Blbc October 1, 2011 at 8:02 pm

We go way back.

myspace celebrity August 4, 2010 at 9:03 pm

He uses a really high SPF sunblock.

Imwithcoco August 4, 2010 at 8:57 pm

Cant wait to hear that one TV again! Im with COCO!

ethnic February 18, 2010 at 11:28 pm

Interesting, Do you have a link to that info?

BlackMON February 18, 2010 at 3:51 pm

I am good friends with Conan believe it or not his great grand mother was a black woman

Chrissy McMahon July 13, 2010 at 10:55 am

Liar. I’ve known him since I was 5. His heritage is pure Irish. His GODMOTHER was black. Get your facts straight.

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