[ 2 syll. cil-lian, ci-lli-an ] The baby boy name Cillian is pronounced as KIHL-YaeN or K-LYaeN †. Cillian has its origins in the Celtic language, and it is used largely in English, French, and Irish. An original form of the name is Ceallach (Celtic and Old Irish). The first name was originally a Gaelic nickname from the element ceallach (meaning 'war, strife') or ceall ('church, monastery'). It was borne by various early Irish saints, including the 7th-century Saint Cillian who evangelized Franconia in Germany; he was martyred at Würzburg, where a cathedral was built in honor of him. The name is often Anglicized as Killian.
Derivatives of Cillian include the Irish Ceallach, the name Cillin, the Irish Cillín, the English, French, German, and Irish Kilian, the name Kill, the English Killie, the English Killy, and the English, French, and German Kylian. Another form of the name is the English, French, German, and Irish spelling variant Killian.
Cillian is seldom used as a baby name for boys. It is not in the top 1000 names. In 2012, among the group of boy names directly related to Cillian, Killian was the most frequently used.
Baby names that sound like Cillian include Caalum, Caelan, Caellom, Caellum, Cailan, Cailean, Cailen, Caillom, Caillum, Calam, Calan, Calem, Calen, Calhoon, Calhoun, Calhoune, Calim, Calin, Callan, and Callen.
† Pronunciation for Cillian: K as in "key (K.IY)" ; IH as in "it (IH.T)" ; L as in "lay (L.EY)" ; Y as in "you (Y.UW)" ; AE as in "at (AE.T)" ; N as in "knee (N.IY)"
A famous person named Cillian is Cillian Murphy, Actor, born 25 May 1976, Douglas, Cork, Ireland.