Kailin
- Gender
- Mostly girls
- Say it
- KAY-lin
- Origin
- Irish
- US rank, 2025
- #7,131 for girls
Kailin is a name of Irish origin, meaning “girl”. In 2025 it ranked 7,131st for girls in the US (15 babies).
What does Kailin mean?
Irish: spelling of Cailin; Irish word cailín
“girl”
From the Irish word cailín 'girl', the source of the English word colleen.
Meaning borrowed from Cailin.
Is Kailin a girl's or a boy's name?
In recent years, Kailin has been given to girls and boys, mostly girls. In 2025, it was given to 15 girls in the US.
How popular is Kailin in the US?
- Rank in 2025
- 7,131st among girls
- Babies in 2025
- 15 about 1 in 110,000 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, 15 girls in the US were named Kailin, making it the 7,131st most popular name for girls. Five years earlier, in 2020, it was 7,964th. Its busiest year was 1997, with 57 girls. It first appears in the records in 1981.
Half of all the girls named Kailin in the US since 1880 were born between 1996 and 2010, the years shaded on the chart below.
In 2022, 77% of the babies named Kailin in the US were girls.
Kailin in the US, year by year
| Year | Girls | Rank |
|---|---|---|
| 2025 | 15 | #7,131 |
| 2024 | 17 | #6,639 |
| 2023 | 10 | #9,611 |
| 2022 | 24 | #5,306 |
| 2021 | 11 | #8,973 |
| 2020 | 13 | #7,964 |
| 2019 | 9 | #10,467 |
| 2018 | 12 | #8,612 |
| 2017 | 18 | #6,527 |
| 2016 | 20 | #6,184 |
| 2015 | 21 | #6,034 |
| 2014 | 22 | #5,795 |
| 2013 | 34 | #4,241 |
| 2012 | 24 | #5,555 |
| 2011 | 34 | #4,243 |
| 2010 | 40 | #3,815 |
| 2009 | 25 | #5,535 |
| 2008 | 53 | #3,157 |
| 2007 | 33 | #4,474 |
| 2006 | 53 | #3,135 |
| 2005 | 35 | #4,025 |
| 2004 | 56 | #2,847 |
| 2003 | 38 | #3,651 |
| 2002 | 43 | #3,237 |
| 2001 | 44 | #3,138 |
| 2000 | 56 | #2,628 |
| 1999 | 30 | #3,891 |
| 1998 | 43 | #2,970 |
| 1997 | 57 | #2,325 |
| 1996 | 47 | #2,626 |
| 1995 | 41 | #2,875 |
| 1994 | 34 | #3,297 |
| 1993 | 35 | #3,216 |
| 1992 | 31 | #3,497 |
| 1991 | 21 | #4,644 |
| 1990 | 23 | #4,225 |
| 1989 | 30 | #3,396 |
| 1988 | 16 | #5,060 |
| 1987 | 10 | #6,783 |
| 1986 | 5 | #10,907 |
| 1985 | 10 | #6,455 |
| 1984 | 7 | #8,149 |
| 1983 | 7 | #8,045 |
| 1982 | 8 | #7,467 |
| 1981 | 6 | #9,108 |
Names like Kailin
Names given in the same years and the same naming tradition, with a similar sound.
Teagan, Cassidy, Devyn, Keegan, Kaitlyn, Reagan, Kennedy, Brynn, Brooklyn, Rowan, Ashlyn, Fallon
Names related to Kailin
Kailani, Killian, Kailany, Kilian, Kailyn, Kailynn, Kaileen, Kailan
More Irish names
Oscar, Rory, Maeve, Finn, Aiden, Ryan, Nolan, Quinn, Orla, Cody, Erin, Ronan, Connor, Declan, Casey, Callan
Sources
Figures from 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, “Kailin: name meaning, origin and popularity”, https://www.nameling.co.uk/names/kailin, updated 20 October 2026.