Kairos
- Gender
- Boy
- Say it
- KY-rohs
- Origin
- Greek
- UK rank, 2025
- #3,021 for boys
- US rank, 2025
- #1,347 for boys
Kairos is a boys' name of Greek origin, meaning “the right moment”. In 2025 it ranked 3,021st for boys in the UK (7 babies) and 1,347th for boys in the US (140 babies).
What does Kairos mean?
Greek: Greek word kairos
“the right moment”
Kairos is Greek for the right or opportune moment, contrasted with chronos, ordinary sequential time.
Is Kairos a girl's or a boy's name?
Kairos is a boys' name. In 2025, it was given to 7 boys in the UK and 9 girls and 140 boys in the US.
How popular is Kairos in the UK?
- Rank in 2025
- #3,021among boys
- Babies in 2025
- 7about 1 in 43,000 boys
- Five-year trend
- Rising fastup 475% in five years
- Same name in a class
- under 1%chance among 15 boys
In 2025, 7 boys in the UK were named Kairos, making it the 3,021st most popular name for boys. Five years earlier, in 2020, it was 4,025th. Its busiest year was 2023, with 8 boys.
Among boys in 2025, it was 2,938th in England and Wales.
Kairos in the UK, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 7 | #3,021 |
| 2024 | 8 | #2,750 |
| 2023 | 8 | #2,691 |
| 2022 | 5 | #3,639 |
| 2021 | 5 | #3,614 |
| 2020 | 4 | #4,025 |
| 2019 | 0 | – |
| 2018 | 0 | – |
| 2017 | 0 | – |
| 2016 | 5 | #3,655 |
| 2015 | 0 | – |
| 2014 | 0 | – |
| 2013 | 0 | – |
| 2012 | 4 | #4,147 |
| 2011 | 0 | – |
| 2010 | 3 | #4,865 |
How popular is Kairos in the US?
- Rank in 2025
- #1,347among boys
- Babies in 2025
- 140about 1 in 12,000 boys
- Five-year trend
- Rising fastup 134% in five years
- Same name in a class
- under 1%chance among 15 boys
In 2025, 140 boys in the US were named Kairos, making it the 1,347th most popular name for boys. Five years earlier, in 2020, it was 2,190th. It first appears in the records in 2008. 9 girls were also named Kairos in 2025 (10,104th for girls).
It has been given to more boys each year for the last 4 years. 2025 had the most boys named Kairos of any year since it first appeared, in 2008.
Half of all the boys named Kairos in the US since 1880 were born between 2018 and 2024, the years shaded on the chart below.
Kairos in the US, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 140 | #1,347 |
| 2024 | 106 | #1,608 |
| 2023 | 77 | #1,985 |
| 2022 | 75 | #2,021 |
| 2021 | 48 | #2,651 |
| 2020 | 63 | #2,190 |
| 2019 | 35 | #3,256 |
| 2018 | 40 | #2,942 |
| 2017 | 29 | #3,674 |
| 2016 | 15 | #5,785 |
| 2015 | 28 | #3,774 |
| 2014 | 24 | #4,135 |
| 2013 | 16 | #5,400 |
| 2012 | 16 | #5,476 |
| 2011 | 7 | #9,593 |
| 2010 | 5 | #12,224 |
| 2009 | 9 | #8,305 |
| 2008 | 6 | #11,030 |
Nicknames for Kairos
- Kai 816 boys in the UK in 2025
Names like Kairos
Names given in the same years and the same naming tradition, with a similar sound.
Atlas Kayden Rowan Ronan Kyrie Finn Finley Lochlan Kian Theo Cillian Albie
More Greek names
Luca Theodore Sophia George Lucas Sofia Alexander Sebastian Penelope Phoebe Margot Luke Chloe Sophie Zoe Iris
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, “Kairos: name meaning, origin and popularity”, https://www.nameling.co.uk/names/kairos, updated 20 October 2026.