Mcilhagga Family History
Mcilhagga Surname Meaning
from Mac Gille Mo Fhèaga ‘son of the servant of Saint Féichín’ with the saint's name in a hypocoristic form.
The saint was better known in Scotland as Vigean.
The surname may occasionally have been confused with the Irish McGillicuddy.
Source: The Oxford Dictionary of Family Names in Britain and Ireland, 2016
