Mac Giolla Phádraig dynasty
…scholars speculate a Norse influence on the name. In 1537, as part of the surrender /submission of Brian Mac Giolla Phádraig (then the ruling chief of Upper Ossory and a lineal descendant of Gilla Pátraic mac Donnchada) to King Henry VIII, Brian took the anglicised name of Fitz-Patrick - Fitz is a Norman French…