Ilse is a Germanic feminine given name. It is technically a German diminutive of Elisabeth, functioning as a given name in its own right chiefly in Austria, Belgium, Germany, the Netherlands, Switzerland, South Africa and all of the Scandinavian countries including Finland. People named Ilse. People with the given name Ilse include: Ilse Aichinger (1921–2016), Austrian writer. Ilse Everlien Berardo (born 1955), German theologian. Ilse Bing (1899–1998), German photographer. Ilse Braun (1909–1979), one of two sisters of Eva Braun. Ilse DeLange (born 1977), Dutch singer.
https://en.wikipedia.org/wiki/Ilse