53%RatingSave Gender Masculine Usage Finnish, Estonian Pronounced Pron. AY-no(Finnish) [key·IPA] Meaning & History Meaning unknown, possibly a Finnish form of a Scandinavian name. Related NamesFamily Tree·Details Feminine FormsEini, Enni(Finnish) PopularityDetails Last ranked #2 in 2021 Finland Last ranked #884 in 1917 United States Name DaysName Days? Estonia: November 17Finland: November 17 Categories currently out of the US top 1000, isograms, top 10 in Finland, uncertain etymology