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“Variant of Ceallach — bright-headed; or strife (Irish, source of Kelly)” — Irish Gaelic origin
Boy's name · #227 in the US (2025) · Trending
Callahan is climbing: on the charts since 1983, it reached #227 in 2025 — its strongest showing yet, with about 1,600 boys given the name last year. Roughly 6,000 have carried it all-time. In Montana and North Dakota it runs about 3× its national rate. It is also an American family name — about 51,000 people carry it as a surname, according to US census data.
Around the world: about 1 in 3,200 boys in Canada (2024).
Appears in 2020-2025 birth records of 41 states. See the full state-by-state map on this page.
Similar names: Callan · Knox · Callum · Bowen · Ronan · Kayce
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