Feminine dossier · first seen 1931
Marlo
Stable
Cross-generational persistence
Peak era
1970
Peak births
593
Current vitality
Fragile
Peak generation
Gen X
Quick answers about Marlo
How many people are named Marlo?
An estimated 6,563 living Americans are named Marlo.
How rare is Marlo?
Marlo is uncommon among babies today, with 109 girls receiving the name in 2025, down 81.6% from its 1970 peak.
How old is the typical Marlo?
The median age of a living American named Marlo is approximately 51 years, with most bearers falling between 18 and 56 years old.
Is Marlo still popular?
Yes. Marlo is holding steady, with 109 births in 2025 and a consistent recent baseline.
Where is Marlo most common?
Marlo has its strongest geographic signal in California, where it appears 1.6× more often than the national baseline.
1931Peak 19702025
Peak year
1970
Decline from peak
81.6%
2025
109
All-time
7,264
Where it lives now
Marlo is most concentrated in California — about 1.6× the national rate in the 1960s.
States where Marlo is given more often than the national average — its present-day heartland.