Cahir
- Gender
- Boy
- Say it
- KAH-hir
- Origin
- Irish
- UK rank, 2025
- #1,220 for boys
- Style
- Big in Northern Ireland
Cahir is a boys' name of Irish origin, meaning “battle man, warrior”. In 2025 it ranked 1,220th for boys in the UK (25 babies).
What does Cahir mean?
Irish: from Cathaoir
“battle man, warrior”
Cathaoir Mór was a legendary King of Leinster from whom many Leinster families claimed descent.
Is Cahir a girl's or a boy's name?
Cahir is a boys' name. In 2025, it was given to 25 boys in the UK. Too few girls were given it to be listed.
How popular is Cahir in the UK?
- Rank in 2025
- 1,220th among boys
- Babies in 2025
- 25 about 1 in 12,000 boys
- Five-year trend
- Steady down 16% in five years
- Same name in a class
- under 1% chance among 15 boys
In 2025, 25 boys in the UK were named Cahir, making it the 1,220th most popular name for boys. Five years earlier, in 2020, it was 1,206th. Its busiest year was 2021, with 27 boys.
Half of all the boys named Cahir in the UK since 1996 were born between 2008 and 2020, the years shaded on the chart below.
In 2025, 34 boys in the UK were given Cahir or a name that sounds the same. With every name's spellings counted this way, that ranks #882, up from #1,220 for this spelling alone.
- Cahir 25
- Cathair 9
Among boys in 2025, it was 95th in Northern Ireland.
Cahir in the UK, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 25 | #1,220 |
| 2024 | 16 | #1,664 |
| 2023 | 15 | #1,715 |
| 2022 | 23 | #1,270 |
| 2021 | 27 | #1,134 |
| 2020 | 24 | #1,206 |
| 2019 | 23 | #1,230 |
| 2018 | 20 | #1,362 |
| 2017 | 20 | #1,374 |
| 2016 | 25 | #1,195 |
| 2015 | 18 | #1,476 |
| 2014 | 12 | #1,929 |
| 2013 | 20 | #1,347 |
| 2012 | 23 | #1,234 |
| 2011 | 20 | #1,338 |
| 2010 | 18 | #1,452 |
| 2009 | 22 | #1,214 |
| 2008 | 18 | #1,378 |
| 2007 | 18 | #1,343 |
| 2006 | 10 | #1,845 |
| 2005 | 9 | #1,957 |
| 2004 | 12 | #1,494 |
| 2003 | 13 | #1,328 |
| 2002 | 6 | #2,106 |
| 2001 | 11 | #1,369 |
| 2000 | 9 | #1,503 |
| 1999 | 4 | #2,513 |
| 1998 | 9 | #1,446 |
| 1997 | 6 | #1,853 |
Names like Cahir
Names given in the same years and the same naming tradition, with a similar sound.
Muhammad, Musa, Ibrahim, Abdullah, Amir, Ahmed, Zayan, Umar, Zayaan, Mustafa, Zayd, Rayyan
Other spellings of Cahir
Names related to Cahir
More Irish names
Oscar, Rowan, Rory, Maeve, Finn, Aiden, Ryan, Nolan, Quinn, Orla, Cody, Erin, Ronan, Connor, Declan, Casey
Sources
Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland) and Baby names (Northern Ireland Statistics and Research Agency). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.
To cite this page: Nameling, “Cahir: name meaning, origin and popularity”, https://www.nameling.co.uk/names/cahir, updated 20 October 2026.