Feminine dossier · first seen 1912
Mariann
Endangered
Down 97.6% from peak
Peak era
1957
Peak births
337
Current vitality
Rare
Peak generation
Boomer
Quick answers about Mariann
How many people are named Mariann?
An estimated 4,229 living Americans are named Mariann.
How rare is Mariann?
Mariann is very rare among babies today, with 8 girls receiving the name in 2025, down 97.6% from its 1957 peak.
How old is the typical Mariann?
The median age of a living American named Mariann is approximately 64 years, with most bearers falling between 48 and 70 years old.
Is Mariann still popular?
No. Mariann is endangered as a baby name, down 97.6% from its 1957 peak with 8 births in 2025.
Where is Mariann most common?
Mariann has its strongest geographic signal in Illinois, where it appears 3.4× more often than the national baseline.
1912Peak 19572025
Peak year
1957
Decline from peak
97.6%
2025
8
All-time
7,192
Where it lives now
Mariann is most concentrated in New Jersey — about 2.6× the national rate in the 1950s.
States where Mariann is given more often than the national average — its present-day heartland.