53%RatingSave Gender Masculine Usage English (Modern) Pronounced Pron. /ˈkaɪ.ɹoʊ/ [key·simplify] Meaning & HistoryExpand Links Variant of Cairo. Related NamesFamily Tree·Details VariantsCairo, KyroUser SubmissionKairo PopularityDetails Last ranked #865 in 2000 Brazil (by decade) Last ranked #258 in 2022 England and Wales Last ranked #234 in 2023 United States Name DaysName Days? Estonia: November 3 Categories modern English, trendy, variants