Updated June 9, 2019 Share: Boy name origins & meanings Gaelic : Cloak; little cape Boy name variations Lennon Lennon + 2% this year Neutral Common Find out more Lenin Lenin + 6% this year Masculine Rare Find out more Lennen Lennen 0 % this year Masculine Rare Find out more How Popular Is The Name Lenn Family name origins & meanings English and Scottish : variant of Lynn.Jewish (Ashkenazic) : variant spelling of Len.