| Meaning | bright-headed |
| Origin | Irish |
| Gender | gender neutral |
| Opposite gender | Callaghan |
| Popularity | Moderate |
| Length | 9 |
| Syllables | 3 |
| Syllabification | Cal-la-ghan |
Imagine a name that speaks of heritage, strength, and individuality—Callaghan delivers all three. This robust choice distinguishes your son from the masses of common names flooding classrooms today. Callaghan projects confidence and character, qualities every parent wants to instill in their child. The name's sturdy consonants and flowing vowels create a balanced sound that's both memorable and pleasant. Consider how Callaghan looks on a business card, sounds in a boardroom, or appears on a diploma. It's a name that grows with your child, never feeling childish yet never too mature for a young boy. The nickname possibilities—Cal, Cally—offer flexibility while the full name maintains gravitas. Callaghan isn't just a name; it's a statement of distinctiveness that will serve your son throughout every stage of his life.
| Callahan |
| Callum |
| Calvin |
| Camden |
| Cameron |
| Carson |
| Carter |
| Casey |
| Caleb |
| Christian |
| Connor |
| Charles |
| Cal |
| Laghanlie |
| Callaghan McCarthy | Irish politician |
| Callaghan O'Leary | Irish author |
| Callaghan Bragman | American actor |
| Callaghan Belle | Australian singer |
| Callaghan T. McCarthy | American lawyer |
| Callaghan Grant | Canadian artist |
| Callaghan Dickenson | British journalist |
| Callaghan Merritt | American athlete |
| Callaghan Smythe | Canadian businessman |
| Callaghan Fitzpatrick | Irish poet |
| Callaghan Burke | Australian filmmaker |
| Callaghan Quinn | Scottish musician |
| Callaghan MacLeod | Canadian painter |
| Callaghan P. Lyons | American scientist |
| Callaghan E. Walsh | British historian |
| Callaghan Rowe | Australian chef |
| Callaghan Nolan | Irish historian |
| Callaghan Todd | Canadian actor |
| Callaghan C. Hayes | American entrepreneur |
| Callaghan O'Malley | Irish journalist |
| Callaghan "Call" Price | Call of Duty series |
| Callaghan Belle | The Bold and the Beautiful |
| Callaghan Greaves | The Inheritance Cycle series |
| Callaghan "Cally" Harper | Grey's Anatomy |
| Callaghan "Cal" Lynch | Assassin's Creed movie |
| Callaghan "Cal" Jones | Hollyoaks |
| Callaghan "Cal" Deane | Waterloo Road |
| Callaghan "Cal" Morrison | River City |
| Callaghan "Cal" Vandeusen | The Mysteries of Laura |
| Callaghan "Cal" Lightman | Lie to Me TV series |
| Callaghan "Cal" Skinner | EastEnders |
| Callaghan "Cal" Moore | Home and Away |
| Callaghan "Cal" Jacoby | The Walking Dead |
| Callaghan "Cal" Dashiell | Veronica Mars |
| Callaghan "Cal" Buchanan | One Tree Hill |
| Callaghan "Cal" Langley | Neighbours |
| Callaghan "Cal" Macaffrey | The Unit TV series |
| Callaghan "Cal" Caufield | Degrassi - The Next Generation |
| Callaghan "Cal" Cooper | The Fosters |