70%RatingSave Gender Feminine Usage Estonian Pronounced Pron. KAH-yah [key] Meaning & History Means "echo" in Estonian. Related Names Same SpellingKája, Kaja (1), Kaja (2)User SubmissionKaja See Popularity DetailPopularity Last ranked #75 in 2017 Norway Last ranked #38 in 2016 Poland Last ranked #22 in 2017 Slovenia Entry updated January 22, 2019