Caisey
- Gender
- Girl
- Say it
- KAY-see
- Origin
- Irish
Caisey is a girls' name of Irish origin, meaning “vigilant”. Too few babies were given it in the latest year to rank.
What does Caisey mean?
Irish: spelling of Kaisey, itself a variant of Casey, from the surname O Cathasaigh
“vigilant”
A respelling of Casey, from the Irish surname O Cathasaigh, based on cathasach 'vigilant'.
Meaning borrowed from Kaisey.
Is Caisey a girl's or a boy's name?
Caisey is a girls' name.
How popular is Caisey in the UK?
No girls in the UK were given it in 2025, or too few to be listed. Its busiest year was 2001, with 6 girls.
Caisey in the UK, year by year
| Year | Girls | Rank |
|---|---|---|
| 2020 | 1 | #7,326 |
| 2019 | 0 | – |
| 2018 | 0 | – |
| 2017 | 0 | – |
| 2016 | 0 | – |
| 2015 | 1 | #7,629 |
| 2014 | 3 | #5,920 |
| 2013 | 0 | – |
| 2012 | 0 | – |
| 2011 | 4 | #4,980 |
| 2010 | 4 | #4,931 |
| 2009 | 3 | #5,801 |
| 2008 | 5 | #4,065 |
| 2007 | 4 | #4,494 |
| 2006 | 4 | #4,357 |
| 2005 | 3 | #4,976 |
| 2004 | 0 | – |
| 2003 | 3 | #4,560 |
| 2002 | 0 | – |
| 2001 | 6 | #2,587 |
Nicknames for Caisey
- Kai 816 boys in the UK in 2025
Names like Caisey
Names given in the same years and the same naming tradition, with a similar sound.
Keira, Caoimhe, Erin, Cassidy, Casey, Caragh, Teagan, Aoibheann, Caitlin, Cara, Eireann, Niamh
Names related to Caisey
More Irish names
Oscar, Rowan, Rory, Maeve, Finn, Aiden, Ryan, Nolan, Quinn, Orla, Cody, Ronan, Connor, Declan, 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, “Caisey: name meaning, origin and popularity”, https://www.nameling.co.uk/names/caisey, updated 20 October 2026.