Crowley (surname)

The name Crowley derives from the English Crowley meaning "wood of crows". The Irish "O Cruadhlaoich" or "Ua Cruadhlaoich", a Gaelic name meaning "descendant of the hard hero" or "descendant of the hardy warrior", was anglicised to "Crowley" or "O'Crowley".

Variants include and Croley.

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