How common is the last name Callahan?

48,861 people in the United States have the last name Callahan, about 1 in 6,117. It ranks #682 of 156,621 last names in the 2020 Census.

last name

CALLAHAN

#682

of 156,621 last names recorded in the 2020 Census

People
48,861
About
1 in 6,117
This common or more
35.4%
Who bears it

Of the 48,861 people with the last name Callahan, 86.8% reported their origin as White, 5.2% as Black and 3.5% as two or more races. These count how people described themselves on the 2020 Census, not where the name comes from.

Either side of Callahan

#680 Dalton · 48,924#681 Savage · 48,874#683 Ponce · 48,830#684 Kane · 48,826

Spelled almost the same

6 last names in the 2020 Census spelled within a letter or two of Callahan, most common first.

#7,892 Callan · 4,034#10,634 Callihan · 2,872#14,921 Calahan · 1,903#23,249 Callaham · 1,128#65,358 Calliham · 328#84,529 Calihan · 239

Also a first name

As a first name, Callahan ranks #7,167 of 53,615, with 2,150 people. As a baby name it peaked in 2025, with 1,682 births. See Callahan as a first name

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