Masculine dossier · first seen 1956
Rainier
Rising
Gaining cultural share
Peak era
2023
Peak births
41
Current vitality
Rare
Peak generation
Gen Alpha
Quick answers about Rainier
How many people are named Rainier?
An estimated 849 living Americans are named Rainier.
How rare is Rainier?
Rainier is very rare among babies today, with 35 boys receiving the name in 2025, down 14.6% from its 2023 peak.
How old is the typical Rainier?
The median age of a living American named Rainier is approximately 14 years, with most bearers falling between 6 and 31 years old.
Is Rainier still popular?
Yes — Rainier is currently rising in popularity, with 35 births in 2025. Births this decade are running about 1.7× higher than the previous decade.
1956Peak 20232025
Peak year
2023
Decline from peak
14.6%
2025
35
All-time
874