Son of William
An Anglo-Norman patronymic surname meaning 'son of William'. The prefix 'Fitz' is derived from the Old French 'filz', which was used by the Norman-French nobility in England to denote lineage.
Less common today
Fitzwilliam isn't in the latest US Top 1000. It last peaked at #8,009 in 2020.
US births per 5-year period, 1990–present (SSA data).
The wealthy and aloof romantic lead of Jane Austen's Pride and Prejudice · Pride and Prejudice
A character in Jane Austen's Persuasion, brother to Captain Wentworth · Persuasion
A colonel and cousin to Mr. Darcy in Jane Austen's Pride and Prejudice · Pride and Prejudice
