Masculine dossier · first seen 2005
Kaius
Rising
Gaining cultural share
Peak era
2025
Peak births
216
Current vitality
Fragile
Peak generation
Gen Alpha
Quick answers about Kaius
How many people are named Kaius?
An estimated 1,995 living Americans are named Kaius.
How rare is Kaius?
Kaius is uncommon among babies today, with 216 boys receiving the name in 2025, matching its recorded peak.
How old is the typical Kaius?
The median age of a living American named Kaius is approximately 6 years, with most bearers falling between 3 and 9 years old.
Is Kaius still popular?
Yes — Kaius is currently rising in popularity, with 216 births in 2025. Births this decade are running about 4.5× higher than the previous decade.
2005Peak 20252025
Peak year
2025
Decline from peak
0%
2025
216
All-time
2,011