Gender: Boy
Meaning: War strife, fierce
Origin: Irish Gaelic
Popularity: Ranked #369 in 2024 with 884 babies born.
History: Killian is an anglicization of the Irish 'Cillian,' possibly from 'ceallach,' meaning strife or war, or from 'cill,' meaning church. Saint Kilian was a 7th-century Irish missionary who evangelized Franconia in Germany and became its patron saint. The name is popular in Ireland and has grown significantly in the United States and France.
Name length: 7 letters
How common is Killian? About 1 in 3,715 babies born in 2024 were named Killian, or roughly 2.5 per day in the United States.
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