Gilfillan Family History
Gilfillan Name Meaning
Scottish (Glasgow): from a shortened Anglicized form of the Gaelic personal name Gille Fhaolain ‘servant of (Saint) Fillan’ possibly a patronymic without mac ‘son’. Irish (Donegal and Derry) and Scottish: variant of McClelland .
Source: Dictionary of American Family Names 2nd edition, 2022