Killion

The surname Killion is of Irish origin and is derived from the Gaelic O’ Cillin, meaning “descendant of Cillin”. Cillin was a common Irish personal name meaning “little church” or “monastery”. The Killion family is believed to have originated in County Clare, Ireland and later spread throughout the country. Today, the surname can be found in various parts of the world, particularly in the United States. Despite its relatively small numbers, the Killion name has a rich history and heritage that continues to be celebrated by those who bear it.