A reliable meaning for Kaileen isn’t established in our sources yet. Rather than guess, we show what is recorded: how the name is used, how often, and the names it’s connected to.
The story
Published U.S. birth records include this spelling as early as 1976. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Kaileen through the years
Babies since 1880
867
0 boys · 867 girls
Most popular year
2022
83 babies
2025
33
#4,299 for girls
2021–25 vs 2016–20
+490%
Rising fast
Kaileen in U.S. Social Security birth records, 1976–2025, per million girls born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.
Where it’s given
Most at home inCalifornia, Texas
FewerMore, relative to births Not published
2025 births by state of birth. Tiles are equal-sized so small states stay visible. Highest rates: California (10), Texas (6).
By the numbers
In 2025, this name appeared in 33 U.S. birth records for girls, ranking No. 4,299 among girls’ names. Average annual use for girls was 490.2% higher in 2021–2025 than in 2016–2020. In 2025, California had the largest reported state-level birth count for girls with this name (10). Published U.S. population figures for this spelling include 575 as a first name in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.