Quick answers about Mortimer
How many people are named Mortimer?
An estimated 147 living Americans are named Mortimer.
How rare is Mortimer?
Mortimer fell below the SSA's 5-birth reporting floor in 2025. It is extremely rare as a new baby name.
How old is the typical Mortimer?
The median age of a living American named Mortimer is approximately 65 years, with most bearers falling between 55 and 76 years old.
Is Mortimer still popular?
Not especially. Mortimer has been declining since its 1916 peak and registered 0 births in 2025.
Where is Mortimer most common?
Mortimer has its strongest geographic signal in New York, where it appears 6.5× more often than the national baseline.
1880Peak 19162025
Where it lives now
Mortimer is most concentrated in New York — about 4.0× the national rate in the 1930s.
States where Mortimer is given more often than the national average — its present-day heartland.
3×+
2×+
1.5×+
1.2×+
~ national