O'Brien Genealogy & History
O'Brien is an Irish surname that is derived from the Old Gaelic name O'Briain, which means a male descendent of Brian. In O'Brien genealogy, Brian refers to Brian Boru, who was the High King of Ireland in the 1st century A.D. Alternative spellings include O'Brian, O'Brine, O'Bryan, Brian, Brians, Briand, and many more. O'Brien family history shows that the family was first found in County Clare. Famous people with a version of this surname include precocious child actress Margaret O'Brien and talk-show host and comedy writer Conan O'Brien. The O'Brien family motto is "Lamh laidir an Uachtar," which translates to "The strong hand from above."
O'Brien Birth Records
| Name | Birth Date | Death Date | Location |
| Alice O'brien | -- --, 1921 | May 22,2000 | MA |
| Bernice O'brien | -- --, 1910 | October 29,2000 | CO |
| C Kathleen O'brien | -- --, 1935 | June 9,2007 | NY |
| Daisy O'brien | -- --, 1948 | June 19,2006 | MA |
O'Brien Death Records
| Name | Birth Date | Death Date | Location |
| Edward O'brien | -- --, 1937 | April 9,2000 | Rice Lake,WI |
| Florence O'brien | -- --, 1907 | October 4,1996 | Bethel Park,PA |
| Gary O'brien | -- --, 1949 | February 19,2006 | Newark,OH |
| Harold O'brien | -- --, 1938 | June 9,2004 | Oxford,NC |
O'Brien Marriage Records
| Name | Spouse | Marriage Date | Location |
| Larry O'brien | Tamara Cook | July 3,2004 | Tarrant, TX |
| Zachariah O'brien | Celeste Lorenzo | August 5,1994 | Jefferson, CO |
| William O'brien | Chevell Moore | August 12,2002 | LUCAS, OH |
| Vincent O'brien | Donna Rosenberg | September 12,1981 | Hartford, Hartfold, CT |
Most Common Surnames After O'Brien
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