Kacey is a ♀ girl name and a ♂ boy name. That makes Kacey one of the gender-neutral unisex names.
Kacey is a name for your daughter and son. It derived from the Irish surname Ó Cathasaigh.
Kacey means “descendant of Cathasach” and “vigilant” or “watchful” (from Gaelic “Ó” = grandson/descendant + cathasaigh” = vigilant/watchful).
Based on the frequency of positive ratings, we can analyze how popular names are in different countries. The name Kacey is currently ranked #4306 on the name leaderboard.
Curious about more trends? Find out which names are most popular in the USA, Canada, Australia, and worldwide.
2025 | 2024 | 2023 | 2022 | 2021 | |
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🇬🇧 Great Britain | - | - | - | - | ✓ |
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