Updated June 9, 2019 Share: Boy name origins & meanings English : Son; Fitz names were commonly given to the illegitimate sons of royalty Boy name variations Fitz Fitz - 29% this year Masculine Rare Find out more Fitzgerald Fitzgerald - 23% this year Masculine Rare Find out more Fitzroy Fitzroy - 17% this year Masculine Rare Find out more Fitzhugh Fitzhugh 0 % this year Masculine Rare Find out more Fitzpatrick Fitzpatrick - 44% this year Masculine Rare Find out more Filz Filz 0 % this year Masculine Rare Find out more Fits Fits 0 % this year Masculine Rare Find out more Fyts Fyts 0 % this year Masculine Rare Find out more