A reliable meaning for Kelsei 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 1988. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Kelsei through the years
Babies since 1880
337
0 boys · 337 girls
Most popular year
1996
19 babies
2025
7
#12,547 for girls
2021–25 vs 2016–20
−46%
Cooling
Kelsei in U.S. Social Security birth records, 1988–2025, 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.
By the numbers
In 2025, this name appeared in 7 U.S. birth records for girls, ranking No. 12,547 among girls’ names. The recent annual counts are too incomplete to establish a ten-year comparison. Its largest published annual count for girls was 19 in 1996. Published U.S. population figures for this spelling include 271 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.
Kelsei’s family of names
In Greek usage, Kelsei as a surname is a transliteration of Κέλσεη.