Callahan is an uncommon name used for both girls and boys that peaked in 2025 and remains in steady use.
Callahan is predominantly a boy name. In 2025 it ranked #227 among boys (1,566) and #1,748 among girls (116) — overall #405 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 1,682 | 1,682 | #1,748 | #227 |
| 2024 | 993 | 993 | #2,220 | #364 |
| 2023 | 732 | 732 | #2,624 | #461 |
| 2022 | 646 | 646 | #2,428 | #519 |
| 2021 | 461 | 461 | #3,168 | #660 |
| 2020 | 329 | 329 | #3,628 | #806 |
| 2019 | 294 | 294 | #3,182 | #899 |
| 2018 | 235 | 235 | #4,090 | #1,026 |
| 2017 | 198 | 198 | #4,412 | #1,142 |
| 2016 | 142 | 142 | #5,021 | #1,484 |
| 2015 | 110 | 110 | #5,011 | #1,806 |
| 2014 | 98 | 98 | #6,027 | #1,889 |
| 2013 | 79 | 79 | #5,855 | #2,254 |
| 2012 | 71 | 71 | #5,584 | #2,600 |
| 2011 | 56 | 56 | #6,611 | #3,056 |
| 2010 | 59 | 59 | #7,596 | #2,795 |
| 2009 | 62 | 62 | #6,609 | #2,852 |
| 2008 | 61 | 61 | #6,604 | #2,886 |
| 2007 | 41 | 41 | #9,118 | #3,701 |
| 2006 | 52 | 52 | #7,209 | #3,097 |
| 2005 | 45 | 45 | #10,261 | #2,966 |
| 2004 | 64 | 64 | #5,405 | #2,606 |
| 2003 | 41 | 41 | #8,613 | #3,205 |
| 2002 | 43 | 43 | #6,756 | #3,274 |
| 2001 | 51 | 51 | #6,117 | #2,813 |
| 2000 | 53 | 53 | #6,257 | #2,579 |
| 1999 | 50 | 50 | #5,261 | #2,804 |
| 1998 | 40 | 40 | #6,770 | #3,028 |
| 1997 | 44 | — | #4,854 | #3,169 |
| 1996 | 46 | — | #4,758 | #2,934 |
| 1995 | 21 | — | #8,176 | #5,172 |
| 1994 | 27 | — | #6,377 | #4,571 |
| 1993 | 11 | — | #13,779 | #7,756 |
| 1992 | 19 | — | #13,597 | #4,133 |
| 1991 | 5 | — | #13,459 | — |
| 1990 | 6 | — | — | #7,301 |
| 1989 | 13 | — | #12,657 | #5,704 |
| 1988 | 13 | — | #9,386 | #6,532 |
| 1987 | 15 | — | — | #3,216 |
| 1986 | 13 | — | — | #3,466 |
| 1985 | 5 | — | — | #6,660 |
| 1983 | 5 | — | — | #6,371 |