How to say it
KAYCE
keɪs
Masculine
Kayce
Vigilant; brave
What it means
A respelling of Casey and Case, from the Irish for 'vigilant' or 'watchful.'
Kayce is a modern respelling of Casey and Case, from the Irish Ó Cathasaigh, 'vigilant' or 'watchful in war.' Yellowstone's rancher Kayce Dutton put this exact spelling on the map, giving it a rugged Western edge. One brisk syllable. Said KAYSS.
How to spell Kayce
The standard spelling is Kayce. Common variants include Casey, Case, Kaycee, but Kayce is the most widely used form.
Popularity over time
peaked at #375 in 2025, currently #375 in 2025.
Source: U.S. Social Security Administration, names given to at least 5 babies in a year, 1880–2025. Reviewed August 2026. See where the names are moving
Heads-up notes
- Spelling
A respelling of Casey or Case.
- Pop culture
Kayce Dutton of Yellowstone.
Who's worn it
- Kayce Dutton central character in the television series Yellowstone
Spelling variants
- Casey
- Case
- Kaycee
Names with the same feeling
See Kayce from another angle
By meaning
By style
Common questions
- What does the name Kayce mean?
- A respelling of Casey and Case, from the Irish for 'vigilant' or 'watchful.'
- What does Kayce mean in Irish?
- In Irish, Kayce means "Vigilant; brave." Kayce is a modern respelling of Casey and Case, from the Irish Ó Cathasaigh, 'vigilant' or 'watchful in war.' Yellowstone's rancher Kayce Dutton put this exact spelling on the map, giving it a rugged Western edge. One brisk syllable. Said KAYSS.
- How do you pronounce Kayce?
- Kayce is pronounced keɪs. Say it as KAYCE, with the stress on the "kayce" syllable.
- How do you spell Kayce?
- The standard spelling is Kayce. Common spelling variants include Casey, Case, Kaycee.
- Is Kayce a boy or girl name?
- Kayce is traditionally a masculine name.
- How popular is the name Kayce?
- Kayce ranked #375 in the U.S. in 2025, according to Social Security Administration data.