Kayce
How to say it: KAYSS · /ˈkeɪs/
Modern phonetic respelling of Casey; derived from the Irish surname O'Cathasaigh, meaning 'vigilant'.
Kayce was the 243rd most popular boys’ name in the United States in 2025, given to 928 babies of either sex (Social Security Administration). The 2020s are its busiest decade so far, its births are up about 68% in ten years, and it is projected to rise to #195 by 2030.
Updated · SSA 2025 data, published May 2026 · Insee 2025 data, published July 2026 · How we compute these figures
Key facts
| Rank among boys’ names, 2025 | #243 |
|---|---|
| Babies born in 2025 (both sexes) | 928 |
| Share of births | 1 in 2,052 |
| Peak decade | 2020s |
| Change over 10 years | +68% |
| Projected rank for 2030 (estimate) | #195 |
| In France, 2025 | #1,664 among boys’ names, 10 births |
Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.
Its life, decade by decade
Kayce keeps climbing and this decade is its best so far. At its high in the 2020s, it is expected to rise further.
What goes with it
Kayce rings in two brisk syllables with crisp and breathy sounds. Kayden and Braylen share its style.
Middle names that flow with Kayce →
Nicknames
- Kay
- Kace
Honouring a Kayce in the family
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Kayce is about 1 in 86.
Around the world
This spelling is used in English.
In France: #1,664 for boys in 2025.
England and Wales: #455. Ireland: #267.
Keep exploring
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