Kaiis

Kaiis is a name introduced to the lexicon when it was chosen by a single celebrity. Geena Davis picked the ancient Roman-sounding Kaiis (which would have been spelled then with a C) for one of her twin boys.

Pronounced KY-iss.

As of October 2026, Kaiis ranked #11280 for boys in US births in 2020 SSA, peaked at #9447 for boys in 2004.