From an Irish surname that was derived from Ó Fallamhain meaning “descendant of Fallamhan”. The given name Fallamhan meant “leader”. It was popularized in the 1980s by a character on the soap opera Dynasty.
From a surname that was derived from a place name meaning either “red clearing” or “roe deer clearing” in Old English. A city in North Carolina bears this name, after the English courtier, poet and explorer Sir Walter Raleigh (1552-1618).