Boy name origins & meanings Irish : Small and dark-skinnedGaelic : Small and dark-skinned Boy name variations Ciaran Kieron Key Kerwin Kirwin Kerry Kern Kerr Ceirnin Carra Kieran Family name origins & meanings Irish : reduced form of McKiernan, an Anglicized form of Gaelic Mac Thighearnáin ‘son of Tighearnan’ (see Tiernan).
