Declining since 1986, #10,917 for girls today.
Popularity of Kellyn since 1964
Babies named Kellyn per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls | Boys |
|---|---|---|
| 1960s | 27 | 0 |
| 1970s | 26 | 0 |
| 1980s | 571 | 26 |
| 1990s | 420 | 30 |
| 2000s | 470 | 21 |
| 2010s | 379 | 106 |
| 2020s | 91 | 42 |
Meaning & origin
Kellyn is a modern feminine name that first appeared in U.S. records in 1964, a product of the trend for names ending in -lyn. It reached its highest usage in 1985, ranking within the top 10,000, but has since declined steadily; according to 2025 data, it ranks 10,917 with a rarity of 1 in 200,908 births. The trajectory shows it has been falling since 1986, mirroring the broader shift away from this naming style. While not among the most popular, Kellyn retains a niche appeal, often chosen as a variation of the more common Kelly. Its lack of top state data suggests it remains dispersed rather than concentrated in any region.
Kellyn is a modern coinage, probably a feminine variant of the Irish surname Kelly (from Ceallach meaning 'bright-headed') or a respelling of the Irish name Kellen. It emerged in the United States in the mid-20th century, recorded first in 1964, and saw peak popularity in 1985. Its usage has been steadily declining since 1986, reflecting a broader trend away from similar -lyn suffixed names.
Nicknames & variants
Nicknames: Kelly, Lyn
Sibling names for Kellyn
Names that share Kellyn's style, for a brother or sister.
