Kilcullen Family History
Kilcullen Name Meaning
Irish: Anglicized form of Gaelic Mac Giolla Coileáin or Mac Giolla Cuilinn both of which Woulfe believes originally referred to Saint Caillín i.e. ‘son of the servant of (Saint) Caillín’. Compare Kilgallon .
Source: Dictionary of American Family Names 2nd edition, 2022