Ilsa
How to say it: IL-suh · /ˈɪlsə/
German short form of Elisabeth meaning 'God is my oath' - known from Casablanca, vintage charm.
Ilsa was the 4,248th most popular girls’ name in the United States in 2025, given to 22 babies (Social Security Administration). Its busiest decade was the 2010s, its births are up about 93% in ten years, and it is projected to slip to #5,657 by 2030.
Updated · SSA 2025 data, published May 2026 · How we compute these figures
Key facts
| Rank among girls’ names, 2025 | #4,248 |
|---|---|
| Babies born in 2025 | 22 |
| Share of births | 1 in 150,697 |
| Peak decade | 2010s |
| Change over 10 years | +93% |
| Projected rank for 2030 (estimate) | #5,657 |
Sources: Social Security Administration (SSA). How we compute these figures.
Its life, decade by decade
Ilsa peaked in the 2010s.
What goes with it
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Ilsa is about under 1 in 200.
Around the world
This spelling is used in Dutch, English, German, Hebrew.
Famous people named Ilsa
- Ilsa Konrads (born 1944)Australian swimmer, Olympic silver medallist, former world record-holder
From Wikidata and Wikipedia
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