Feminine dossier · first seen 1885
Kay
Endangered
Down 99% from peak
Peak era
1942
Peak births
3,622
Current vitality
Rare
Peak generation
Silent Generation
Quick answers about Kay
How many people are named Kay?
An estimated 42,598 living Americans are named Kay.
How rare is Kay?
Kay is very rare among babies today, with 37 girls receiving the name in 2025, down 99% from its 1942 peak.
How old is the typical Kay?
The median age of a living American named Kay is approximately 70 years, with most bearers falling between 63 and 78 years old.
Is Kay still popular?
No. Kay is endangered as a baby name, down 99% from its 1942 peak with 37 births in 2025.
Where is Kay most common?
Kay has its strongest geographic signal in Hawaii, where it appears 6.5× more often than the national baseline.
1885Peak 19422025
Peak year
1942
Decline from peak
99%
2025
37
All-time
98,621