Callahan is an Irish surname, anglicized from Ó Ceallacháin.[1] Those bearing it include:

In military edit

In sports edit

In politics and law edit

In music edit

In show business edit

Others edit

As a given name edit

Calahan edit

As a given name edit

See also edit

Callahan (surname)
Regnal titles
Preceded by King of Munster
c. 944 – 954
Succeeded by

References edit