Iisa is a Finnish short form of names containing the element is, such as Isabella or Aliisa. The root Isabella is a Latinate form of Isabel, which itself is derived from the Hebrew name Elisheva, meaning "my God is an oath" or "God's promise."Usage in FinlandAccording to Wiktionary, the name is etymologically derived from Swedish Isa. Iisa is exclusively used as a female given name in Finnish-speaking populations. The Digital and Population Data Services Agency of Finland reports that Iisa was the 277th most common female given name in the country, belonging to 1,871 female individuals and an additional 447 individuals as a middle name, as of August 2025.Cultural ContextThe name reflects the Finnish practice of adapting foreign names into shorter, more familiar forms. Its connection to Isabella ties it to a pan-European naming tradition. In Finnish, Iisa has a soft, melodic sound and remains relatively uncommon. Related Alli is listed as a variant.Meaning: Short form of names containing is; ultimately from Hebrew ElishevaOrigin: Finnish adaptation of Swedish IsaType: First name (female)Usage Regions: Finland