An estimated 397,105 living Americans are named Sean.
How rare is Sean?
Sean is moderately uncommon among babies today, with 616 boys receiving the name in 2025, down 94.9% from its 1990 peak.
How old is the typical Sean?
The median age of a living American named Sean is approximately 38 years, with most bearers falling between 28 and 49 years old.
Is Sean still popular?
No. Sean is endangered as a baby name, down 94.9% from its 1990 peak with 616 births in 2025.
Where is Sean most common?
Sean has its strongest geographic signal in New York, where it appears 3.0× more often than the national baseline.
1925Peak 19902025
Peak year
1990
Decline from peak
94.9%
2025
616
All-time
423,637
Diaspora map
Sean took 66 years to reach 27 states. A slow burn from California, Connecticut, District of Columbia, Massachusetts, New Hampshire, New Jersey, New York, and Rhode Island outward.
Broke out: California, Connecticut, District of Columbia, Massachusetts, New Hampshire, New Jersey, New York, and Rhode Island, 1958 · over-represented in 27 states over 66 years
