The name Fitzwilliam means Son Of William and is of English origin. Fitzwilliam is a name that's been primarily used for boys.
Fitzwilliam Darcy, character in the novel "Pride & Prejudice" by Jane Austen.
Fitzwilliam is on 83 members' favorite name lists Fitzwilliam is currently not ranked on the Baby Names popularity charts Fitzwilliam is currently not ranked in U.S. births
