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Reilly Family History

Reilly Genealogy & Family Tree

Reilly is an Irish name from Country Cavan, Ireland, where the family held a seat. It comes from the Gaelic O Raghailligh which means "descendant of Raghallach." The earliest known ancestor--Cathal O'Reilly, Prince of Breffny--was recorded in 1237. The family moto is Dum spiro spero which means "While I have breath I hope."

Other spellings include "O'Reilly," "O'Reily," "O'Rielly," "O'Riely,"
"O'Riley," "O'Rilley," ad "O'Reilley."  Notable people with the surname include American NASA astronaut James Francis Reilly II, American baseball player Long John Reilly (Cincinnati Reds), British actress Kelly Reilly (Sherlock Holmes, Flight, Black Box), and American actor John C. Reilly (Chicago, Talladega Nights: The Ballad of Ricky Bobby, Wreck-It Ralph). The first Reilly to come to America was Christopher Reilly in Pennsylvania in 1773.

Reilly Birth Records
  • Name Birth Date Death Date Location
  • John Reilly -- --, 1886 December 0, 1903 Pennsylvania
  • Ann Nancy Reilly -- --, 1811 December 0, 1900
  • Thomas Reilly -- --, 1823 May 21, 1905
  • Francis P. Reilly -- --, 1906 December 16, 1977 Massachusetts
  • Patrick Reilly -- --, 1879 December 0, 1900 Iowa
Reilly Death Records
  • Name Birth Date Death Date Location
  • Margaret Reilly -- --, 1883 December 0, 1971 Prince Edward Island
  • Michael Reilly -- --, 1847 February 14, 1910 New York
  • Mary Agnes Reilly -- --, 1892 May 3, 1973 Massachusetts
  • Edward Reilly -- --, 1800 December 0, 1879
  • Michael Reilly -- --, 1858 February 1, 1930
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