Cailynn
- Gender
- Girl
- Say it
- KAY-lin
- Origin
- Modern
- US rank, 2025
- #6,545 for girls
Cailynn is a girls' name of Modern origin. In 2025 it ranked 6,545th for girls in the US (17 babies).
Where does Cailynn come from?
Modern: spelling of Kailyn; blend of Kay and Lyn
Meaning borrowed from Kailyn. More on Wiktionary.
Is Cailynn a girl's or a boy's name?
Cailynn is a girls' name. In 2025, it was given to 17 girls in the US. Too few boys were given it to be listed.
How popular is Cailynn in the US?
- Rank in 2025
- 6,545th among girls
- Babies in 2025
- 17 about 1 in 95,000 girls
- Five-year trend
- Steady down 22% in five years
- Same name in a class
- under 1% chance among 15 girls
In 2025, 17 girls in the US were named Cailynn, making it the 6,545th most popular name for girls. Five years earlier, in 2020, it was 4,878th. Its busiest year was 2009, with 68 girls. It first appears in the records in 1990.
2025 had fewer girls named Cailynn than any year since 1997.
Half of all the girls named Cailynn in the US since 1880 were born between 2006 and 2016, the years shaded on the chart below.
Cailynn in the US, year by year
| Year | Girls | Rank |
|---|---|---|
| 2025 | 17 | #6,545 |
| 2024 | 26 | #5,018 |
| 2023 | 30 | #4,562 |
| 2022 | 24 | #5,306 |
| 2021 | 22 | #5,569 |
| 2020 | 26 | #4,878 |
| 2019 | 25 | #5,161 |
| 2018 | 42 | #3,613 |
| 2017 | 40 | #3,768 |
| 2016 | 52 | #3,139 |
| 2015 | 58 | #2,964 |
| 2014 | 59 | #2,886 |
| 2013 | 67 | #2,625 |
| 2012 | 66 | #2,679 |
| 2011 | 64 | #2,724 |
| 2010 | 56 | #3,009 |
| 2009 | 68 | #2,671 |
| 2008 | 64 | #2,802 |
| 2007 | 47 | #3,481 |
| 2006 | 40 | #3,794 |
| 2005 | 40 | #3,642 |
| 2004 | 24 | #5,204 |
| 2003 | 36 | #3,801 |
| 2002 | 19 | #5,892 |
| 2001 | 28 | #4,317 |
| 2000 | 20 | #5,486 |
| 1999 | 30 | #3,891 |
| 1998 | 23 | #4,633 |
| 1997 | 14 | #6,478 |
| 1996 | 15 | #6,059 |
| 1995 | 8 | #9,548 |
| 1994 | 13 | #6,666 |
| 1993 | 6 | #11,773 |
| 1992 | 9 | #8,726 |
| 1991 | 0 | – |
| 1990 | 5 | #12,952 |
Nicknames for Cailynn
- Kay 3 girls in the UK in 2025
Names like Cailynn
Names given in the same years and the same naming tradition, with a similar sound.
Teagan, Braelynn, Brynn, Brynlee, Raelynn, Cassidy, Rylynn, Kayden, Devyn, Brylee, Brooklyn, Kashlynn
Names related to Cailynn
Kailynn, Cailyn, Caelyn, Callyn, Caelynn, Cailani, Cailin, Caylin
More Modern names
Jayden, Ailany, Myla, Nevaeh, Jax, Indie, Miley, Kaiden, Kehlani, Alayna, Caden, Zayden, Wrenley, Mya, Oaklynn, Ailani
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, “Cailynn: name meaning, origin and popularity”, https://www.nameling.co.uk/names/cailynn, updated 20 October 2026.