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Cai

Boy · Welsh · Short name

Meaning
Rejoice
Pronunciation
KY
Origin
Welsh

A Welsh form of the Latin name Gaius, meaning 'to rejoice'.

Popularity
Uncommon in United Kingdom (2025)

Popularity: Lucky Stork Stage 1 Expansion, 2025

ClassicUnique

Languages in use: Welsh, Latin

Commonly used in: United Kingdom

Similar names

Matched on shared origin, language, or verified meaning themes. Spelling similarity alone is not treated as a linguistic relationship.

Reese

REES

Gender-neutral · Welsh

Meaning: Enthusiasm, ardor, of the ardent

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Geraint

geh-RAYNT

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Meaning: Of the old, of the elder

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Bryce

BRYCE

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Meaning: Speckled, spotted, quick-moving

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Sources for this record

Lucky Stork Stage 1 Expansion, 5,000 New Names and Gender Dataset (2025). Last verified 2026-08-29.

How Lucky Stork verifies name data →