Pledged to God
Ilsa is a Germanic short form of Elisabeth. It shares the same Hebrew roots meaning 'my God is an oath' or 'pledged to God,' though it has developed its own distinct identity in Northern Europe.
About 22 girls were named Ilsa in 2025.
US births per 5-year period, 1990–present (SSA data).
The female lead played by Ingrid Bergman · Casablanca
An MI6 agent and ally of Ethan Hunt · Mission: Impossible
Australian Olympic swimmer and world record holder