Gilfoy Coat of Arms and Surname Origin

Looking for a Gilfoy coat of arms? Arms were granted to families, not to surnames, and our research shows which heraldic tradition fits yours.

Family name meaning

Seen on a gravestone or a census line, Gilfoy usually leads back to Gilfoyle. Its meaning, shared with Gilfoyle, is “The son of the servant or devotee of St. Paul”.

Before spelling was fixed, Gilfoyle was also written Gilfoy. Spellings drifted because names were written down by ear in parish books, tax rolls and passenger lists. 226 Americans were listed as Gilfoy in the 2010 census. That is enough to place it in the top 100,000 American surnames.

For the full story, order the Gilfoy surname pack.