Names like Callahan
Callahan is a three-syllable Irish name that ends in -an. Each list below follows one of those threads on its own, so you can see exactly what the names share.
The same sound
Three syllables, ending the same way as Callahan.
Cillian Irish · church, strife (variant of Killian, boosted by actor Cillian Murphy)
Donovan Irish · surname Ó Donndubháin, traditionally "dark chieftain"
Sullivan Irish · surname Ó Súilleabháin, traditionally "dark eyes"
Finnegan Irish · Irish surname meaning 'descendant of Fionnagán', from 'fionn' (fair, white)
The same roots
Also Irish names, from the tradition Callahan comes from.
Quinlan Irish · Irish surname, traditionally 'descendant of Caoinlean' (slender, graceful)
Deegan Irish · anglicized from Ó Duibhginn, traditionally 'dark-haired'
Devin Irish · surname Ó Damhain, meaning uncertain, traditionally "poet"
Flynn Irish · Irish surname 'descendant of the red-haired one'
The same feel
Also classic and surname style names.
Harrison English · "son of Harry," which made it "son of Henry" at one remove; a surname carried by two US presidents, it joined the first-name ranks in the 1980s and kept the vintage warmth of Harry inside a suit-and-tie surname
Anderson Scandinavian · surname, "son of Andrew"; Brazil turned it into a first name and made it a defining boy name of the 1980s and 90s
Dean English · surname/title, "valley" or church official
Jefferson English · surname meaning "son of Geoffrey"; it crossed to Brazil on the surname-name wave, where the respelling Jeferson now outnumbers it
Names of the same moment
Each of these is at its highest in the 2020s, the same decade as Callahan, on a similar curve.
Finnian Irish · traditionally 'fair, white'; borne by early Irish saints
Kylian Irish · variant of Kilian, 'church' / 'little churchman'
Cian Irish · ancient, enduring (mythological figure, father of Lugh)
Cassian Latin · meaning uncertain, from the Roman family name Cassius (possibly 'empty' or 'vain')
Which of these fits YOUR family? →