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HomeBaby Names DirectoryKeysi

Keysi

♀ Girl

Pronounced KAY-see /ˈkeɪ.si/Medium

Meaning: Latina phonetic spelling of Casey/Kacey — from Irish O'Cathasaigh, 'vigilant, watchful' (or 'brave in battle')Low

In 30 seconds: Crisp and Latina: Keysi spells Casey — 'vigilant, watchful'. Sweet, modern, and breezy.
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Origin MediumIrish, Spanish
MeaningLatina phonetic spelling of Casey/Kacey — from Irish O'Cathasaigh, 'vigilant, watchful' (or 'brave in battle')
U.S. rank (2025)#4609 ↗ Rising
2025 U.S. births30 girls (0.00% of U.S. girls)
Peak year2025
Total births (all-time)≈ 365

Popularity in the U.S. · SSA data

peak 202519982025

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

Keysi is a Latina phonetic spelling of Casey/Kacey — from the Irish O'Cathasaigh, 'vigilant, watchful' (or 'brave in battle'). A sweet, breezy, modern name across Latin America.

In the U.S. it appears in Latino families. Rare, vigilant at the root, and breezy.

Did you know? Casey comes from the Irish O'Cathasaigh, 'vigilant, watchful' (or 'brave in battle') — Keysi is a Latina phonetic spelling, sweet and modern.
Overall data confidence 60%
Behind the Name — Casey — root etymology

Variations

CaseyKaceyKeysha

Nicknames

Key

Famous Bearers

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If you like Keysi…

Casey— the standard spelling
Jhersi— echoes that soft -si sound
Keagan— a fellow Irish choice
Karsen— shares Keysi's Irish roots
Kyleigh— lands in the same popularity range

Explore names like Keysi

All themes →All meanings →All origins →

Frequently Asked

What does the name Keysi mean?

Keysi spells Casey — Irish 'vigilant, watchful' (or 'brave').

How do you pronounce Keysi?

It's said KAY-see /ˈkeɪ.si/ — two syllables, stress on the first.

Is Keysi a boy or girl name?

Keysi is a girl's name.

How popular is Keysi?

Keysi is a rare name in the U.S.

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