Feminine dossier · first seen 1943
Ilsa
Stable
Cross-generational persistence
Peak era
2011
Peak births
34
Current vitality
Rare
Peak generation
Gen Z
1943Peak 20112025
Quick answers about Ilsa
How many people are named Ilsa?
An estimated 869 living Americans are named Ilsa.
How rare is Ilsa?
Ilsa is very rare among babies today, with 22 girls receiving the name in 2025, down 35.3% from its 2011 peak.
How old is the typical Ilsa?
The median age of a living American named Ilsa is approximately 24 years, with most bearers falling between 13 and 43 years old.
Is Ilsa still popular?
Yes. Ilsa is holding steady, with 22 births in 2025 and a consistent recent baseline.
Peak year
2011
Decline from peak
35.3%
2025
22
All-time
917