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Caius
BoyMeaning of Caius: Latin: 'to rejoice'
Caius is a boy's name most strongly associated with Latin naming. It has 5 letters and 1 syllable, and it is familiar but far from overused — 929th most popular boys' name in the United States in 2025 and 1132nd in England & Wales.
US rank 2025
#929
254 babies in 2025
England & Wales 2024
#1132
25 babies in 2024
US babies since 1880
2,329
First recorded 1994 · peak 2025
Trend
rising
Style: uncommon
Popularity over time
Gender split
100% boys · 0% girls, based on US, UK and international usage.
Origins & cultures
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