US Popularity Rank: 2164

Origin: Irish

Meaning: Church; Bright-headed; War, contention, strife

The name Kilian is a boy’s name of Irish origin. Recognized as a German variation of Cillian, Kilian can be found across Europe. Derived from the Irish Ceallach, Kilian takes on the proposed meanings “church,” “bright-headed,” and “war,” “contention,” and “strife.” This is a great name for those with European roots who intend to pay homage to their heritage. Sweet and versatile, you’ll find Kilian and its variants throughout Spain, France, Denmark, Sweden, Norway, Austria, and Switzerland.