Irish diminutive of Pilib, the Irish form of Philip. As an English name, it can also be a diminutive of names beginning with Phil-, such as Philip, Phyllis and Philomena.Two notable male bearers of the name: -Philly Byrne: Member of a thrash metal band based in Northern Ireland.-Philly Larkin is an Irish sportsperson. He plays hurling with his local club James Stephens and was a member of the Kilkenny senior inter-county team from 1996 until 2003.