Holding steady, #1,299 for girls today.
Popularity of Kaycee since 1955
Babies named Kaycee per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls | Boys |
|---|---|---|
| 1950s | 31 | 0 |
| 1960s | 33 | 0 |
| 1970s | 316 | 5 |
| 1980s | 1,216 | 21 |
| 1990s | 2,307 | 59 |
| 2000s | 1,907 | 89 |
| 2010s | 1,844 | 107 |
| 2020s | 1,000 | 249 |
Meaning & origin
Kaycee is a modern respelling of Casey, an Irish surname meaning 'vigilant'. First recorded in 1955, the name saw a surge in the 1990s, with its peak year in 1998. As of 2025, it ranks 1,299th and remains stable in usage. The name is particularly popular in Alabama, Utah, and Arizona. While Casey has long been used for both genders, the Kaycee variant is almost exclusively given to girls, solidifying its feminine identity in the American naming landscape.
Kaycee is a modern respelling of Casey, which comes from the Irish surname Ó Cathasaigh, meaning 'descendant of Cathasach'. Cathasach itself means 'vigilant' or 'watchful'. The name Casey has been used as a given name since the 19th century, and Kaycee emerged in the mid-20th century as a phonetic variant, particularly in the United States.
Where Kaycee 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.
“Kaycee” around the world
Where Kaycee lands in the latest official birth statistics abroad, matched to the U.S. spelling.
France
20
babies in 2024
Sources: INSEE (France).
Nicknames & variants
Nicknames: KC, Kay, Case
Sibling names for Kaycee
Names that share Kaycee's style, for a brother or sister.
