57%RatingSave Gender Masculine Usage English (Modern) Pronounced Pron. KIE-ro [key·IPA] Meaning & HistoryExpand Links Variant of Cairo. Related NamesFamily Tree·Details VariantsCairo, KyroUser SubmissionKairo PopularityDetails Last ranked #865 in 2000 Brazil (by decade) Last ranked #242 in 2021 England and Wales Last ranked #250 in 2022 United States Name DaysName Days? Estonia: November 3 Categories modern English, variants