An estimated 146,356 living Americans are named Kelsey.
How rare is Kelsey?
Kelsey is uncommon among babies today, with 335 girls receiving the name in 2025, down 97.1% from its 1992 peak.
How old is the typical Kelsey?
The median age of a living American named Kelsey is approximately 32 years, with most bearers falling between 27 and 36 years old.
Is Kelsey still popular?
No. Kelsey is endangered as a baby name, down 97.1% from its 1992 peak with 335 births in 2025.
Where is Kelsey most common?
Kelsey has its strongest geographic signal in Washington, where it appears 4.9× more often than the national baseline.
1942Peak 19922025
Peak year
1992
Decline from peak
97.1%
2025
335
All-time
150,416
Diaspora map
Kelsey broke out in Alaska, Colorado, Hawaii, Idaho, Iowa, Kansas, Maine, Minnesota, Montana, Nebraska, Nevada, New Hampshire, North Dakota, Oregon, South Dakota, Utah, Washington, and Wyoming (1982) and became over-represented in 43 states over 37 years.
Broke out: Alaska, Colorado, Hawaii, Idaho, Iowa, Kansas, Maine, Minnesota, Montana, Nebraska, Nevada, New Hampshire, North Dakota, Oregon, South Dakota, Utah, Washington, and Wyoming, 1982 · over-represented in 43 states over 37 years