Updated June 9, 2019 Share: Girl name origins & meanings German : Consecrated to GodEnglish : Noble; derived from Elizabeth Girl name variations Ilsa Ilsa 0 % this year Feminine Rare Find out more Ilise Ilise 0 % this year Feminine Rare Find out more Ilisa Ilisa 0 % this year Feminine Rare Find out more How Popular Is The Name Ilse Family name origins & meanings German : habitational name for someone who lived by the Ilse river in the Harz Mountains.