Calahan is a very rare variant of Callahan that has climbed to its highest level yet, peaking in 2025.
Calahan is a boy name. In 2025 it ranked #4,063 for boy births in the United States (and #8,683 across all names), given to 26 babies. Calahan first appears in 1986 and peaked in 2025 (26 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 26 | 26 | #4,063 |
| 2024 | 14 | 14 | #6,240 |
| 2023 | 19 | 19 | #5,101 |
| 2022 | 14 | 14 | #6,198 |
| 2021 | 9 | 9 | #8,285 |
| 2020 | 19 | 19 | #4,883 |
| 2019 | 11 | 11 | #7,248 |
| 2018 | 7 | 7 | #9,840 |
| 2017 | 9 | 9 | #8,263 |
| 2016 | 5 | 5 | #12,500 |
| 2015 | 5 | 5 | #12,368 |
| 2012 | 5 | 5 | #12,570 |
| 2011 | 6 | 6 | #11,032 |
| 2010 | 9 | 9 | #8,247 |
| 2009 | 5 | 5 | #12,765 |
| 2008 | 7 | 7 | #10,015 |
| 2007 | 11 | 11 | #7,169 |
| 2006 | 9 | 9 | #8,094 |
| 2005 | 7 | 7 | #9,263 |
| 2004 | 5 | 5 | #11,622 |
| 2003 | 6 | 6 | #9,752 |
| 2002 | 8 | 8 | #7,749 |
| 2001 | 10 | 10 | #6,527 |
| 2000 | 8 | 8 | #7,543 |
| 1999 | 5 | 5 | #10,115 |
| 1998 | 8 | 8 | #6,939 |
| 1997 | 7 | — | #7,388 |
| 1996 | 9 | — | #6,054 |
| 1995 | 6 | — | #7,932 |
| 1994 | 5 | — | #8,980 |
| 1993 | 6 | — | #7,755 |
| 1992 | 5 | — | #8,592 |
| 1986 | 6 | — | #6,031 |