59%RatingSave Gender Masculine Usage English (Modern) Pronounced Pron. KAY-sən [key·IPA] Meaning & HistoryExpand Links An invented name, based on the sound of names such as Mason and Jason. It also coincides with the English surname Cason. Related NamesFamily Tree·Details VariantsCayson, Kaison, Kasen, Kason, Kaysen, Kayson PopularityDetails Last ranked #785 in 2022 United States People think this name isRate·Details modern youthful informal common strong rough strange simple Categories ends in -son, modern English, surnames