Caius
Caius: name meaning, origin and popularity
Boy name#927 in 2025
How popular is Caius?
#927boys, 2025
254U.S. babies in 2025
#927peak rank (2025)
2,329babies since 1880
Since 1880, 2,329 boys in the U.S. have been named Caius. Its highest rank for boys was #927 in 2025. In 2025 it ranked #927 for boys, with 254 babies given the name.
Names similar to Caius
Names that start with the same letters, most popular first.
Sibling name ideas for Caius
Names that peaked around the same time as Caius and are still in the U.S. top 1,000.
Caius FAQ
How popular is the name Caius?
Since 1880, 2,329 boys in the U.S. have been named Caius. Its highest rank for boys was #927 in 2025. In 2025 it ranked #927 for boys, with 254 babies given the name.
Is Caius a boy or girl name?
Caius is mostly a boy name in the U.S.: 0 girls and 2,329 boys since 1880.
Popularity data: U.S. Social Security Administration baby name data, 1880–2025 (names given to 5+ babies per year).