Kaelin
2025 SSA
2025 SSA
About Kaelin
Kaelin is a masculine name with Gaelic origins, though it's used for both genders in modern contexts. Derived from the Irish surname Ó Caolláin, meaning "descendent of Caollán," with the root "caol" meaning "slender" or "narrow." The name gained popularity in the United States during the 1980s and 1990s as part of the trend toward Celtic-inspired names. Its appeal lies in its contemporary sound combined with ancient roots, offering a balance between tradition and modernity. The spelling variants include Kaylin, Kaelan, and Kaelyn, with the latter more commonly used for girls. Kaelin has a melodic flow and projects qualities of uniqueness and strength, making it attractive to parents seeking a name that's distinctive but not difficult to pronounce.
Kaelin for girls#16016 US
Kaelin is a feminine name with Gaelic origins, though it's used for both genders in some contexts. The name likely derives from the Irish surname 'Ó Caollaidhe' or the Scottish Gaelic 'MacCaoilinn.' Kaelin emerged as a given name in America during the late 20th century, gaining modest popularity in the 1990s and 2000s. Its appealing sound combines traditional Celtic roots with a contemporary feel. The name's meaning is sometimes associated with 'slender' or 'fair,' though interpretations vary. Kaelin fits well with the trend of using Irish and Scottish surnames as first names. Its distinctive sound and spelling make it recognizable while remaining relatively uncommon, allowing for individuality while avoiding excessive uniqueness.
Pronounced KAY-lin.
As of October 2026, Kaelin ranked #11312 in US births in 2025 SSA, peaked at #1010 in 1995.
Popularity & trends
Data table
| Year | US rank · boys | Births · boys | US rank · girls | Births · girls |
|---|---|---|---|---|
| 2014 | #4,190 | 24 | #3,958 | 38 |
| 2015 | — | 0 | #4,105 | 36 |
| 2016 | — | 0 | #4,123 | 36 |
| 2017 | — | 0 | — | 0 |
| 2018 | — | 0 | — | 0 |
| 2019 | — | 0 | — | 0 |
| 2020 | — | 0 | — | 0 |
| 2021 | — | 0 | — | 0 |
| 2022 | — | 0 | — | 0 |
| 2023 | — | 0 | — | 0 |
| 2024 | — | 0 | — | 0 |
| 2025 | — | 0 | — | 0 |
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Famous Kaelins
- Kaelin ClayBoy
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- McKenna Kaelin SumanGirl
American YouTube vlogger (simply_kenna)