Callahan
- Gender
- Boy
- Say it
- KAL-uh-han
- Origin
- Irish
- UK rank, 2025
- #2,342 for boys
- US rank, 2025
- #227 for boys
Callahan is a boys' name of Irish origin. In 2025 it ranked 2,342nd for boys in the UK (10 babies) and 227th for boys in the US (1,566 babies).
What does Callahan mean?
Irish: from the Irish surname Ó Ceallacháin
From the surname of the O'Callaghans, who claim descent from Ceallachán, a 10th-century king of Munster.
More on Wiktionary.
Is Callahan a girl's or a boy's name?
Callahan is a boys' name. In 2025, it was given to 10 boys in the UK and 116 girls and 1,566 boys in the US.
How popular is Callahan in the UK?
- Rank in 2025
- #2,342among boys
- Babies in 2025
- 10about 1 in 30,000 boys
- Five-year trend
- Rising fastup 283% in five years
- Same name in a class
- under 1%chance among 15 boys
In 2025, 10 boys in the UK were named Callahan, making it the 2,342nd most popular name for boys. Five years earlier, in 2020, it was 3,108th.
2025 had the most boys named Callahan of any year since it first appeared, in 2007.
In 2025, 17 boys in the UK were given Callahan or a name that sounds the same. With every name's spellings counted this way, that ranks #1,396, up from #2,342 for this spelling alone.
Among boys in 2025, it was 2,265th in England and Wales.
Callahan in the UK, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 10 | #2,342 |
| 2024 | 9 | #2,515 |
| 2023 | 4 | #4,335 |
| 2022 | 5 | #3,639 |
| 2021 | 6 | #3,179 |
| 2020 | 6 | #3,108 |
| 2019 | 0 | – |
| 2018 | 0 | – |
| 2017 | 0 | – |
| 2016 | 0 | – |
| 2015 | 0 | – |
| 2014 | 0 | – |
| 2013 | 0 | – |
| 2012 | 0 | – |
| 2011 | 0 | – |
| 2010 | 0 | – |
| 2009 | 0 | – |
| 2008 | 0 | – |
| 2007 | 1 | #5,736 |
How popular is Callahan in the US?
- Rank in 2025
- #227among boys
- Babies in 2025
- 1,566about 1 in 1,100 boys
- Five-year trend
- Rising fastup 329% in five years
- Same name in a class
- 1.3%chance among 15 boys
In 2025, 1,566 boys in the US were named Callahan, making it the 227th most popular name for boys. Five years earlier, in 2020, it was 806th. It first appears in the records in 1983. 116 girls were also named Callahan in 2025 (1,747th for girls).
It has been given to more boys each year for the last 14 years. 2025 had the most boys named Callahan of any year since it first appeared, in 1983.
Half of all the boys named Callahan in the US since 1880 were born between 2019 and 2025, the years shaded on the chart below.
In 2025, 1,693 boys in the US were given Callahan or a name that sounds the same. With every name's spellings counted this way, that ranks #232.
Girls were 46% of the babies named Callahan in the US in 1996, and 7% in 2025.
Callahan in the US, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 1,566 | #227 |
| 2024 | 908 | #364 |
| 2023 | 665 | #461 |
| 2022 | 571 | #519 |
| 2021 | 410 | #660 |
| 2020 | 288 | #806 |
| 2019 | 244 | #897 |
| 2018 | 200 | #1,026 |
| 2017 | 166 | #1,141 |
| 2016 | 115 | #1,484 |
| 2015 | 83 | #1,804 |
| 2014 | 77 | #1,883 |
| 2013 | 57 | #2,249 |
| 2012 | 47 | #2,593 |
| 2011 | 37 | #3,045 |
| 2010 | 43 | #2,786 |
| 2009 | 42 | #2,846 |
| 2008 | 41 | #2,878 |
| 2007 | 28 | #3,685 |
| 2006 | 35 | #3,082 |
| 2005 | 35 | #2,956 |
| 2004 | 41 | #2,595 |
| 2003 | 29 | #3,181 |
| 2002 | 27 | #3,255 |
| 2001 | 33 | #2,792 |
| 2000 | 36 | #2,573 |
| 1999 | 30 | #2,791 |
| 1998 | 26 | #3,014 |
| 1997 | 23 | #3,155 |
| 1996 | 25 | #2,906 |
| 1995 | 11 | #5,118 |
| 1994 | 13 | #4,531 |
| 1993 | 6 | #7,631 |
| 1992 | 14 | #4,106 |
| 1991 | 0 | – |
| 1990 | 6 | #7,171 |
| 1989 | 8 | #5,608 |
| 1988 | 6 | #6,420 |
| 1987 | 15 | #3,197 |
| 1986 | 13 | #3,437 |
| 1985 | 5 | #6,517 |
| 1984 | 0 | – |
| 1983 | 5 | #6,234 |
Nicknames for Callahan
- Cal 10 boys in the UK in 2025
Names like Callahan
Names given in the same years and the same naming tradition, with a similar sound.
Ronan Finn Conan Rowan Cillian Caelan Cassian Conlan Declan Aiden Kayden Kian
Other spellings of Callahan
Names related to Callahan
More Irish names
Oscar Rory Maeve Ryan Nolan Quinn Orla Cody Erin Connor Casey Kennedy Lennon Kevin Sloane Aidan
Sources
Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland), Baby names (Northern Ireland Statistics and Research Agency) and Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.
To cite this page: Nameling, “Callahan: name meaning, origin and popularity”, https://www.nameling.co.uk/names/callahan, updated 20 October 2026.