Feminine dossier · first seen 1919
Marilu
Stable
Cross-generational persistence
Peak era
1991
Peak births
55
Current vitality
Rare
Peak generation
Millennial
Quick answers about Marilu
How many people are named Marilu?
An estimated 1,845 living Americans are named Marilu.
How rare is Marilu?
Marilu is very rare among babies today, with 16 girls receiving the name in 2025, down 70.9% from its 1991 peak.
How old is the typical Marilu?
The median age of a living American named Marilu is approximately 35 years, with most bearers falling between 24 and 49 years old.
Is Marilu still popular?
Yes. Marilu is holding steady, with 16 births in 2025 and a consistent recent baseline.
Where is Marilu most common?
Marilu has its strongest geographic signal in California, where it appears 3.7× more often than the national baseline.
1919Peak 19912025
Peak year
1991
Decline from peak
70.9%
2025
16
All-time
2,279