Cailynn
2025 SSA
About Cailynn
Cailynn is a feminine name that emerged in the late 20th century, blending Celtic influences with modern naming patterns. It likely evolved as a variant of Caitlin (Irish form of Katherine) combined with the popular '-lynn' suffix that gained prominence in American naming trends. The name has a melodic quality with its flowing sound and soft ending. Cailynn offers parents a way to honor Celtic heritage while maintaining a contemporary feel. While not among the most common names, it saw increased usage in the 2000s alongside similar names like Kailyn and Kaylyn. The name projects a gentle femininity balanced with subtle strength, appealing to parents seeking options that feel both familiar and distinctive.
Pronounced KY-lin.
As of October 2026, Cailynn ranked #6588 in US births in 2025 SSA, peaked at #2634 in 2013.
Popularity & trends
Data table
| Year | US rank | Births | Per million |
|---|---|---|---|
| 2014 | #2,895 | 59 | 33 |
| 2015 | #2,970 | 58 | 32.5 |
| 2016 | #3,145 | 52 | 29.3 |
| 2017 | #3,789 | 40 | 23.2 |
| 2018 | #3,623 | 42 | 24.7 |
| 2019 | — | 0 | 0 |
| 2020 | #4,905 | 26 | 16.1 |
| 2021 | — | 0 | 0 |
| 2022 | — | 0 | 0 |
| 2023 | #4,580 | 30 | 18.7 |
| 2024 | — | 0 | 0 |
| 2025 | — | 0 | 0 |