Kaisey
- Gender
- Girl
- Say it
- KAY-see
- Origin
- Irish
- US rank, 2025
- #8,360 for girls
Kaisey is a girls' name of Irish origin, meaning “vigilant”. In 2025 it ranked 8,360th for girls in the US (12 babies).
What does Kaisey mean?
Irish: variant of Casey, from the surname O Cathasaigh
“vigilant”
A respelling of Casey, from the Irish surname O Cathasaigh, based on cathasach 'vigilant'.
Is Kaisey a girl's or a boy's name?
Kaisey is a girls' name. In 2025, it was given to 12 girls in the US. Too few boys were given it to be listed.
How popular is Kaisey in the UK?
No girls in the UK were given it in 2025, or too few to be listed. Its busiest year was 2006, with 5 girls.
Kaisey in the UK, year by year
| Year | Girls | Rank |
|---|---|---|
| 2022 | 3 | #5,885 |
| 2021 | 1 | #7,491 |
| 2020 | 0 | – |
| 2019 | 0 | – |
| 2018 | 2 | #7,433 |
| 2017 | 0 | – |
| 2016 | 0 | – |
| 2015 | 0 | – |
| 2014 | 3 | #5,920 |
| 2013 | 4 | #4,953 |
| 2012 | 0 | – |
| 2011 | 4 | #4,980 |
| 2010 | 0 | – |
| 2009 | 0 | – |
| 2008 | 4 | #4,742 |
| 2007 | 0 | – |
| 2006 | 5 | #3,724 |
| 2005 | 0 | – |
| 2004 | 1 | #6,173 |
| 2003 | 0 | – |
| 2002 | 0 | – |
| 2001 | 0 | – |
| 2000 | 3 | #4,074 |
| 1999 | 0 | – |
| 1998 | 0 | – |
| 1997 | 0 | – |
| 1996 | 3 | #3,935 |
How popular is Kaisey in the US?
- Rank in 2025
- 8,360th among girls
- Babies in 2025
- 12 about 1 in 130,000 girls
- Five-year trend
- Too rare to call too few babies to tell
- Same name in a class
- under 1% chance among 15 girls
In 2025, 12 girls in the US were named Kaisey, making it the 8,360th most popular name for girls. Five years earlier, in 2020, it was 8,948th. Its busiest year was 2023, with 15 girls. It first appears in the records in 1990.
Half of all the girls named Kaisey in the US since 1880 were born between 2000 and 2021, the years shaded on the chart below.
Kaisey in the US, year by year
| Year | Girls | Rank |
|---|---|---|
| 2025 | 12 | #8,360 |
| 2024 | 8 | #11,117 |
| 2023 | 15 | #7,242 |
| 2022 | 13 | #8,027 |
| 2021 | 8 | #11,141 |
| 2020 | 11 | #8,948 |
| 2019 | 5 | #15,532 |
| 2018 | 10 | #9,801 |
| 2017 | 7 | #12,709 |
| 2016 | 6 | #14,326 |
| 2015 | 5 | #16,413 |
| 2014 | 9 | #10,949 |
| 2013 | 0 | – |
| 2012 | 8 | #12,193 |
| 2011 | 7 | #13,339 |
| 2010 | 0 | – |
| 2009 | 6 | #15,236 |
| 2008 | 0 | – |
| 2007 | 0 | – |
| 2006 | 6 | #15,147 |
| 2005 | 0 | – |
| 2004 | 6 | #14,172 |
| 2003 | 0 | – |
| 2002 | 0 | – |
| 2001 | 5 | #15,345 |
| 2000 | 8 | #10,738 |
| 1999 | 0 | – |
| 1998 | 8 | #10,116 |
| 1997 | 0 | – |
| 1996 | 0 | – |
| 1995 | 0 | – |
| 1994 | 6 | #11,771 |
| 1993 | 11 | #7,491 |
| 1992 | 0 | – |
| 1991 | 7 | #10,263 |
| 1990 | 9 | #8,495 |
Nicknames for Kaisey
- Kai 816 boys in the UK in 2025
Names like Kaisey
Names given in the same years and the same naming tradition, with a similar sound.
Keira, Caoimhe, Fiadh, Orla, Cassidy, Aoife, Teagan, Eden, Rowan, Clodagh, Lainey, Quinn
Names related to Kaisey
More Irish names
Oscar, Rory, Maeve, Finn, Aiden, Ryan, Nolan, Cody, Erin, Ronan, Connor, Declan, Casey, Kennedy, Callan, Lennon
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, “Kaisey: name meaning, origin and popularity”, https://www.nameling.co.uk/names/kaisey, updated 20 October 2026.