Caillen
- Gender
- Boy
- Say it
- KAY-len
- Origin
- Scottish
Caillen is a boys' name of Scottish origin. Too few babies were given it in the latest year to rank.
Where does Caillen come from?
Scottish: probably a spelling of Cailean or Callan
Is Caillen a girl's or a boy's name?
Caillen is a boys' name.
How popular is Caillen in the UK?
No boys in the UK were given it in 2025, or too few to be listed. Its busiest year was 2012, with 4 boys.
Caillen in the UK, year by year
| Year | Boys | Rank |
|---|---|---|
| 2022 | 1 | #6,413 |
| 2021 | 0 | – |
| 2020 | 2 | #6,082 |
| 2019 | 0 | – |
| 2018 | 0 | – |
| 2017 | 0 | – |
| 2016 | 1 | #6,416 |
| 2015 | 3 | #4,955 |
| 2014 | 0 | – |
| 2013 | 2 | #6,127 |
| 2012 | 4 | #4,147 |
| 2011 | 1 | #6,218 |
| 2010 | 1 | #6,148 |
| 2009 | 1 | #6,016 |
| 2008 | 3 | #4,615 |
| 2007 | 0 | – |
| 2006 | 0 | – |
| 2005 | 0 | – |
| 2004 | 0 | – |
| 2003 | 1 | #4,616 |
| 2002 | 0 | – |
| 2001 | 1 | #4,138 |
Nicknames for Caillen
- Cal 10 boys in the UK in 2025
Names like Caillen
Names given in the same years and the same naming tradition, with a similar sound.
Kayden, Aiden, Brody, Brayden, Logan, Caelan, Finn, Conan, Kian, Keegan, Cody, Finley
Names related to Caillen
Callan, Callen, Cailean, Cullen, Caelen, Cailan, Calen, Cailen
More Scottish names
Isla, Arabella, Cameron, Bonnie, Paisley, Carson, Maxwell, Brodie, Finlay, Blair, Lennox, Skye, Knox, Dallas, Lochlan, Reid
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, “Caillen: name meaning, origin and popularity”, https://www.nameling.co.uk/names/caillen, updated 20 October 2026.