Little church or bright-headed
Kilyan is a modern variant of the Gaelic name Cillian. It most likely derives from the word 'cille', meaning church, or 'ceallach', meaning bright-headed or strife. It is often associated with Saint Kilian, a 7th-century Irish missionary.
Less common today
Kilyan isn't in the latest US Top 1000. It last peaked at #4,692 in 2024.
World Cup-winning French soccer star
US births per 5-year period, 1990βpresent (SSA data).