For more information on sources and notes on the families, check SOURCES below the table.
| Ancestry of Conan O'Brien | |
|---|---|
| 1 |
Conan Christopher O'Brien,
b. Brookline, Norfolk, Massachusetts, 18 April 1963
  md. |
| 2ND GENERATION (PARENTS) | |
| 2 |
Thomas Francis O'Brien,
b. Worcester, Worcester, Massachusetts, 1929,
epidemiologist and Harvard medical professor,
  md. Worcester County, Massachusetts, 1958 |
| 3 | Ruth Reardon, b. Worcester, Worcester, Massachusetts, 16 December 1931, attorney |
| 3RD GENERATION (GRANDPARENTS) | |
| 4 |
  md. |
| 5 | |
| 6 |
James F. Reardon,
b. 25 July 1896,
d. Worcester, Worcester, Massachusetts, February 1976,
police officer
  md. |
| 7 | Ruth F. Powers, b. Worcester, Worcester, Massachusetts, 7 December 1891, d. Boston, Suffolk, Massachusetts, 2 July 1989 |
| 4TH GENERATION (GREAT-GRANDPARENTS) | |
| 14 |
Edward B. Powers
  md. |
| 15 | Mary E. Gavin |
SOURCES CONSULTED
This is a listing of any materials other than census, vital records, etc., that were consulted during the research of this tree.
CENSUS RECORDS
1930 Worcester (Ward 5), Worcester County, Massachusetts, ED 14-63, sheet 4B
35 Richards
Marital Age at Father's Mother's
Rel Age Status 1st Mar Bplace Bplace Bplace
Reardon James F. Head 32 M 28 Massachusetts Irish Free State Irish Free State
Ruth F. Wife 32 M 28 Massachusetts New York Massachusetts
Edward P. Son 4 S Massachusetts Massachusetts Massachusetts
Gavin Son 2 3/12 S Massachusetts Massachusetts Massachusetts
James was a police officer.
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1900 Worcester (Ward 5), Worcester County, Massachusetts, ED 1755, sheet 10A
Marital # of Mother of Father's Mother's
Rel Birth Date Status yrs mar children Bplace Bplace Bplace
Powers Edward Head Sept 1860 M 17 New York Ireland Ireland
Mary Wife Oct 1864 M 17 5 / 5 Massachusetts Ireland Ireland
Mary Dau Mar 1884 S Massachusetts New York Massachusetts
Blanche Dau June 1887 S Massachusetts New York Massachusetts
Edward Son May 1888 S Massachusetts New York Massachusetts
Ruth Dau Dec 1891 S Massachusetts New York Massachusetts
Frank Son Oct 1894 S Massachusetts New York Massachusetts
Edward was a blacksmith.
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