The O'Rourkes were the historic rulers of Breifne in the 12th century. At which time the name was spelled "Ruairc". "O'" Meaning "grandson of" translates the name to "Grandson of Rourke". O'Rourke has no urban heritage and is not urban in anyway.
O'Rourke - Hardcore Irish
by Biscuit7707 September 11, 2008