Declining since 2022, #4,265 for girls today.
Popularity of Kaileen since 1976
Babies named Kaileen per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls |
|---|---|
| 1970s | 10 |
| 1980s | 71 |
| 1990s | 201 |
| 2000s | 193 |
| 2010s | 142 |
| 2020s | 250 |
Meaning & origin
Kaileen is a modern invented name that first appeared in U.S. records in 1976. Its popularity peaked in 2022 and has been declining since, consistent with many coined names that follow a quick rise and fall. The name is most common in California and Texas, reflecting a pattern where trendy names often gain traction in large, multicultural states. In 2025, it ranked 4,265, given to about 1 in 48,705 girls. Kaileen likely blends sounds from names like Kayla and Eileen, creating a melodic and feminine option that fits the contemporary preference for 'aiden' or 'leen' endings. While it lacks a long history or traditional meaning, its appeal lies in its modern, fresh feel.
Kaileen first appeared in U.S. records in 1976. It is a modern coinage, blending the popular phonetic elements of Kayla and Eileen. The name saw its highest rank in 2022 and has since declined in use, reflecting a typical pattern for trendy invented names.
Where Kaileen is most popular
Births per 100,000 girls by state, 2025. The lightest shade means too few recorded births.
Nicknames & variants
Nicknames: Kay, Leen, Kay-Kay
Sibling names for Kaileen
Names that share Kaileen's style, for a brother or sister.

