Origin of the name Alisa: A variant form of Alicia (nobility). Variant form of Alice (nobility), a name which evolved through a series of variants from the Germanic Adalheidis (noble one, nobility). Alternatively, the name Alyssa can be derived from the name of the alyssum flower.
The meaning of the name Ilisa is "God is my oath". Ilisa is an alternate form of Ilse (German, Hebrew): nickname of Elisabeth.
