Heraldry and the Guilfoil Surname

There is no single Guilfoil family crest for every bearer. Herald Lab researches the arms historically associated with the name and explains whose they were.

The meaning behind Guilfoil

Search old registers for Guilfoil and you will soon meet Guilfoyle too. The name is usually explained as “The son of the servant or devotee of St. Paul”.

Before spelling was fixed, Guilfoyle was also written Guilfoil. Before spelling was standardised, one family could appear under several forms. You may also find the name written Guilfoile, Gilfoil and Gilfoyle. 402 Americans were listed as Guilfoil in the 2010 census. That puts it inside the top 100,000 US surnames.

Get the complete Guilfoil report, with a museum-style coat of arms.