Casey is a ♀ girl’s name and a ♂ boy’s name. Casey thus belongs to the gender-neutral unisex names.
Casey is a name for your daughter and son. It derived from the Irish surname Ó Cathasaigh.
Casey means “descendant of Cathasach” and “vigilant” or “watchful” (from Gaelic “Ó” = grandson/descendant + cathasaigh” = vigilant/watchful).
The name Casey is ranked #1884 overall.
Find more beautiful first names!
Download our free baby name app and swipe a wonderful name together with your partner!