Declining since 2009, #2,778 for girls today.
Popularity of Kaylen since 1949
Babies named Kaylen per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls | Boys |
|---|---|---|
| 1940s | 5 | 0 |
| 1950s | 0 | 0 |
| 1960s | 12 | 0 |
| 1970s | 22 | 0 |
| 1980s | 318 | 46 |
| 1990s | 1,321 | 224 |
| 2000s | 2,821 | 376 |
| 2010s | 2,185 | 447 |
| 2020s | 466 | 261 |
Meaning & origin
Kaylen is a modern American name that first appeared in Social Security records in 1949. It reached its peak popularity in 2009, when it was most frequently given, but has been on a downward trajectory since then. In the latest year, 2025, Kaylen ranked 2,778 and was given to about 1 in every 26,349 newborns. The name is most common in New York, California, and Florida. Kaylen exemplifies the trend of creating new feminine names by blending established names like Kay with fashionable suffixes, a pattern that has shaped many contemporary American names.
Kaylen is a modern coinage, first recorded in the United States in 1949. It likely arose as a feminine variant of Kay or Kaelin, or as a blend of Kay with the fashionable suffix -len (seen in names like Kaylin and Kailyn). The name gained modest popularity in the late 20th and early 21st centuries, peaking in 2009. Its rise reflects a broader trend of creative respellings and suffix-driven names in American naming culture.
Where Kaylen 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.
“Kaylen” around the world
Where Kaylen lands in the latest official birth statistics abroad, matched to the U.S. spelling.
France
5
babies in 2024
Sources: INSEE (France).
Nicknames & variants
Nicknames: Kay, Kay-Kay, Lenny
Sibling names for Kaylen
Names that share Kaylen's style, for a brother or sister.

