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Gender: M Meaning of Callahan: "bright-headed" Origin of Callahan: Irish

Callahan, the phonetic spelling of Callaghan, is a rhythmic jig of a name whose history harks back to the ancient King of Munster. In the Dirty Harry movies, the Clint Eastwood character is Harry Callahan.

Famous People Named Callahan

Callahan "Cal" O'Reilly, Canadian ice hockey player
Callahan Bright, American arena football player
Callahan Walsh, son of TV host John Walsh ("America's Most Wanted")

Pop Culture References for the name Callahan

Harry Callahan, main character in the "Dirty Harry" films
Callahan's, bar in a series of books by Spider Robinson, run by Mike Callahan
Callahan, A teacher/lawyer in film "Legally Blonde"
Alexander "Cal" Callahan, character in the "Hex Hall" series by Rachel Hawkins
T.C Callahan, character on TV's "The Night Shift"
Kate Callahan, character on the tv show Criminal Minds