Killien

Killien is a masculine name with Irish and Gaelic roots, likely a variant spelling of Cillian or Killian, which derives from 'ceallach' meaning 'church' or 'monastery,' or alternatively 'strife' or 'war.' This distinctive spelling adds a unique touch while maintaining the name's Celtic essence. Historically associated with several Irish saints, Killien carries spiritual undertones while its sound projects strength and character. The name has remained relatively uncommon in English-speaking countries, though interest in Irish names has grown significantly in recent decades. Killien appeals to parents seeking a name with authentic cultural roots that isn't overly common. The combination of its melodic sound, meaningful origins, and connection to Irish heritage gives it a distinctive appeal among contemporary masculine names.

Pronounced KIL-yun.

As of October 2026, Killien ranked #13319 in US births in 2016 SSA.