Declining since 2009, #1,592 for girls today.
Popularity of Kaelyn since 1959
Babies named Kaelyn per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls |
|---|---|
| 1950s | 5 |
| 1960s | 25 |
| 1970s | 10 |
| 1980s | 378 |
| 1990s | 2,139 |
| 2000s | 6,463 |
| 2010s | 5,597 |
| 2020s | 949 |
Meaning & origin
Kaelyn emerged as a given name in 1959 and saw steady growth into the early 2000s. Its peak year was 2009, after which its popularity has been falling. In 2025, it ranked 1592, with approximately 1 in 12,269 girls receiving the name. Top states for the name include Connecticut, South Carolina, and Georgia. The name reflects the modern taste for distinctive spellings of older names, blending the sounds of popular -lyn ending names with a 'K' initial.
Kaelyn is a modern American respelling of the Irish surname Kaelin or Caelin, which derives from the Gaelic word caol, meaning 'slender' or 'fair'. The name gained popularity in the late 20th century as part of the trend for creative spellings of names like Katelyn and Kaylin. Its use as a given name has been recorded since the 1950s, primarily in the United States.
Where Kaelyn is most popular
Births per 100,000 girls by state. Press play or drag the slider to watch it move across the decades. The lightest shade means too few recorded births.
Nicknames & variants
Nicknames: Kae, Lyn, Kay
Sibling names for Kaelyn
Names that share Kaelyn's style, for a brother or sister.
Names like Kaelyn
Names whose popularity has moved with Kaelyn's over the last 50 years.
