Updated June 9, 2019 Find Baby Names Boy name origins & meanings Irish : Small and dark-skinnedGaelic : Small and dark-skinned Boy name variations Ciaran Ciaran + 17% this year Neutral Rare READ MORE DETAILS Kieron Kieron + 10% this year Masculine Rare READ MORE DETAILS Key Key 0 % this year Neutral Rare READ MORE DETAILS Kerwin Kerwin 0 % this year Neutral Rare READ MORE DETAILS Kirwin Kirwin 0 % this year Masculine Rare READ MORE DETAILS Kerry Kerry + 24% this year Neutral Rare READ MORE DETAILS Kern Kern 0 % this year Neutral Rare READ MORE DETAILS Kerr Kerr 0 % this year Masculine Rare READ MORE DETAILS Ceirnin Ceirnin 0 % this year Masculine Rare READ MORE DETAILS Carra Carra 0 % this year Neutral Rare READ MORE DETAILS Kieran Kieran + 7% this year Neutral Uncommon READ MORE DETAILS How Popular Is The Name Kiernan Family name origins & meanings Irish : reduced form of McKiernan, an Anglicized form of Gaelic Mac Thighearnáin ‘son of Tighearnan’ (see Tiernan).