Quick answer
Callahan is a boy name.
Meaning and history
From an Irish surname, the Anglicized form of Ó Ceallacháin, itself from the given name Cellachán.
Notes and context
Usage: english
Name profile
From an Irish surname, the Anglicized form of Ó Ceallacháin, itself from the given name Cellachán.
Callahan is a boy name.
From an Irish surname, the Anglicized form of Ó Ceallacháin, itself from the given name Cellachán.
Usage: english