Updated June 9, 2019 Share: Boy name origins & meanings Gaelic : Little ancient one Boy name variations Keenan Keenan - 12% this year Masculine Rare Find out more Kienen Kienen 0 % this year Masculine Rare Find out more Kienan Kienan 0 % this year Masculine Rare Find out more Kenan Kenan + 28% this year Masculine Rare Find out more How Popular Is The Name Keenen Family name origins & meanings Variant spelling of Irish Keenan.