Meaning: Descendant of the little bright-headed one
Gender: Male
Pronunciation: Kal-Uh-Han
Language origin of Callahan: Germanic
Regional origin of Callahan: Northern Europe
Languages Callahan is most common: English
Religions Callahan is most common: Christianity
First letter and sound: C, Kal
Last letter and sound: N, uh
Alternative Spelling: Callaghan, Callahanne