Vigilant or watchful
Derived from the Irish surname Ó Cathasaigh, meaning descendant of Cathasach. The name stems from the Gaelic word 'cathasach', which translates to vigilant or brave in battle. It gained popularity in the United States as both a masculine and feminine given name during the 20th century.
US births per 5-year period, 1990–present (SSA data).
Academy Award-winning actor
Famous American locomotive engineer
Major League Baseball player and manager
Radio personality and voice actor
Vigilante ally of the Teenage Mutant Ninja Turtles · Teenage Mutant Ninja Turtles
Main character in the sitcom Life with Derek · Life with Derek
English model and reality television star
Actress and screenwriter
