Updated June 9, 2019 Find Baby Names 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 READ MORE DETAILS Fitzgerald Fitzgerald - 23% this year Masculine Rare READ MORE DETAILS Fitzroy Fitzroy - 17% this year Masculine Rare READ MORE DETAILS Fitzhugh Fitzhugh 0 % this year Masculine Rare READ MORE DETAILS Fitzpatrick Fitzpatrick - 44% this year Masculine Rare READ MORE DETAILS Fits Fits 0 % this year Masculine Rare READ MORE DETAILS Fyts Fyts 0 % this year Masculine Rare READ MORE DETAILS Fytz Fytz 0 % this year Masculine Rare READ MORE DETAILS