Boy name origins & meanings
- English : Sharp; bold
Family name origins & meanings
- Southern Irish : Anglicized form of Gaelic Ó Catháin ‘descendant of Cathán’, a personal name from a diminutive of cath ‘battle’. Compare Kane.
- Irish : occasionally an Anglicized form of Ó Céin ‘descendant of Cian’, a personal name meaning ‘distant’, ‘long’.
- English : variant spelling of Keen.
- Americanized spelling of German Kühn(e) (see Kuehn).