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Home › Baby Names Directory › Kaycee

Kaycee

♀ Girl

Pronounced KAY-see /ˈkeɪ.siː/Low

Meaning: Watchful, alert; from the Irish surname CaseyLow

In 30 seconds: Kaycee is a phonetic spelling of KC or the Irish-derived Kasey, from the Irish surname O'Cathasaigh meaning descendant of the watchful one. As a standalone name it has a cheerful, bouncy energy popular in the American South.
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Origin LowAmerican, Irish
MeaningWatchful, alert; from the Irish surname Casey
U.S. rank (2025)#1303 ↗ Rising
2025 U.S. births171 girls (0.01% of U.S. girls)
Peak year1998
Total births (all-time)≈ 8,649

Popularity in the U.S. · SSA data

peak 199819552025

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Kaycee derives from the Irish surname O'Cathasaigh meaning descendant of the watchful one, through the given name Kasey. The Kaycee spelling is a phonetic rendering of the initials KC or of Kasey, creating a name with its own distinct identity.

Kaycee is used primarily in the American South and Midwest, where it fits the tradition of creative, informal feminine names. It has a bright, friendly quality that pairs well with many surnames.

Did you know? The Irish surname Casey from O'Cathasaigh meaning watchful gave rise to both the given name Kasey and the initials K.C., and Kaycee is a creative phonetic rendering that has become its own distinct name.
Overall data confidence 60%
Behind the Name: Casey

Variations

KaseyCaseyKaceyKC

Nicknames

KayCee

Famous Bearers

  • ★Kaycee Stroh (b. 1984)
    American actress, singer and dancer who played Martha Cox in the High School Musical films

If you like Kaycee…

Kasey— Alternate spelling of same name
Casey— Irish surname form of same root
Lacey— Similar two-syllable -cey name
Jaylee— shares the -ee ending
Maycee— echoes that soft -ee sound

Explore names like Kaycee

By themeamericantwo-syllableirishcreativesouthern

All themes →All meanings →All origins →

Frequently Asked

What does Kaycee mean?

Kaycee means descendant of the watchful one from the Irish surname O'Cathasaigh through the given name Kasey.

Is Kaycee an Irish name?

Kaycee is based on the Irish surname Casey but is used as an American given name spelling.

How do you pronounce Kaycee?

Kaycee is pronounced KAY-see with two syllables.

What names are similar to Kaycee?

Similar names include Kasey, Casey, Kacey, and Lacey.

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