Cai
A unisex name of Welsh origin, ranked #2,108 in the US in 2025.
- Rank in 2025
- #2,108
- Best ever
- #1,611 in 2022
- US births since 1880
- 1,945
- Born in 2025
- 81
- Trend
- Stable last 10 years
- Given to
- 75% boys
Meaning
- Rejoice
- Arthur's brother
First appears in Arthurian legend. That is where the name is recorded, not where it comes from.
Etymology
Welsh form of Latin Gaius, as Caius is. The derivation is uncertain; the traditional link is to Latin gaudere, 'to rejoice'.
Births 1989–2025
Peak 131 in 2022. Stable over the last ten years.