Feminine dossier · first seen 1999
Coi
Rising
Gaining cultural share
Peak era
2023
Peak births
23
Current vitality
Rare
Peak generation
Gen Alpha
Quick answers about Coi
How many people are named Coi?
An estimated 119 living Americans are named Coi.
How rare is Coi?
Coi is very rare among babies today, with 18 girls receiving the name in 2025, down 21.7% from its 2023 peak.
How old is the typical Coi?
The median age of a living American named Coi is approximately 3 years, with most bearers falling between 2 and 5 years old.
Is Coi still popular?
Yes — Coi is currently rising in popularity, with 18 births in 2025. Births this decade are running about 22× higher than the previous decade.
1999Peak 20232025
Peak year
2023
Decline from peak
21.7%
2025
18
All-time
120