Cathaoir
- Gender
- Boy
- Say it
- KA-heer
- Origin
- Irish
- UK rank, 2025
- #3,747 for boys
- Style
- Big in Northern Ireland
Cathaoir is a boys' name of Irish origin, meaning “battle lord; warrior”. In 2025 it ranked 3,747th for boys in the UK (5 babies).
What does Cathaoir mean?
Irish: from cath 'battle'
“battle lord; warrior”
Cathaoir Mór was a legendary High King of Ireland; the name is anglicised as Cahir.
Is Cathaoir a girl's or a boy's name?
Cathaoir is a boys' name. In 2025, it was given to 5 boys in the UK. Too few girls were given it to be listed.
How popular is Cathaoir in the UK?
- Rank in 2025
- 3,747th among boys
- Babies in 2025
- 5 about 1 in 60,000 boys
- Five-year trend
- Falling down 26% in five years
- Same name in a class
- under 1% chance among 15 boys
In 2025, 5 boys in the UK were named Cathaoir, making it the 3,747th most popular name for boys. Five years earlier, in 2020, it was 4,025th. Its busiest year was 2019, with 9 boys.
Half of all the boys named Cathaoir in the UK since 1996 were born between 2008 and 2019, the years shaded on the chart below.
Among boys in 2025, it was 314th in Northern Ireland.
Cathaoir in the UK, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 5 | #3,747 |
| 2024 | 4 | #4,346 |
| 2023 | 5 | #3,712 |
| 2022 | 8 | #2,678 |
| 2021 | 0 | – |
| 2020 | 4 | #4,025 |
| 2019 | 9 | #2,399 |
| 2018 | 6 | #3,162 |
| 2017 | 0 | – |
| 2016 | 6 | #3,241 |
| 2015 | 8 | #2,614 |
| 2014 | 8 | #2,593 |
| 2013 | 5 | #3,466 |
| 2012 | 5 | #3,572 |
| 2011 | 4 | #3,986 |
| 2010 | 4 | #4,026 |
| 2009 | 5 | #3,395 |
| 2008 | 4 | #3,836 |
| 2007 | 6 | #2,873 |
| 2006 | 4 | #3,522 |
| 2005 | 4 | #3,330 |
| 2004 | 0 | – |
| 2003 | 0 | – |
| 2002 | 0 | – |
| 2001 | 4 | #2,714 |
| 2000 | 4 | #2,612 |
| 1999 | 4 | #2,513 |
Names like Cathaoir
Names given in the same years and the same naming tradition, with a similar sound.
Finn, Conan, Cody, Caelan, Brody, Kayden, Kody, Conlan, Conn, Brayden, Darragh, Keegan
Names related to Cathaoir
More Irish names
Oscar, Rowan, Rory, Maeve, Aiden, Ryan, Nolan, Quinn, Orla, Erin, Ronan, Connor, Declan, Casey, Kennedy, Callan
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, “Cathaoir: name meaning, origin and popularity”, https://www.nameling.co.uk/names/cathaoir, updated 20 October 2026.