Fitzwilliam name religion, origin and Fitzwilliam name pronunciations:
The name Fitzwilliam is an Irish baby name. In Irish the meaning of the name Fitzwilliam is: Soldier's son.
Fitzwilliam is baby boy name mainly popular in Christian religion and its main origin is . Fitzwilliam name meanings is Will, determination,protection, resolute protector. Other similar sounding names can be William.
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