Boy Name · English Origin
Killian
Last reviewed: June 2026
Killian — a boy name from the English tradition — is an uncommon, standout choice. Its meaning, "Pure hearted", anchors the name in something deeper than sound alone. If Keelan is on your shortlist, Killian belongs in the same conversation.
Names like Killian
Frequently asked about Killian
What does the name Killian mean?
Killian means "Pure hearted" and is of English origin.
What is the origin of Killian?
Killian originates in English naming tradition.
How do you pronounce Killian?
Killian has 7 letters and is most commonly stressed on the first syllable.
Is Killian a boy's or girl's name?
Killian is primarily used as a boy's name in US records.
How popular is Killian in 2026?
In our 2026 popularity tracker, Killian sits in the Rare tier — an uncommon, standout choice.
What names are similar to Killian?
Names that share Killian's sound and style include Keelan, Kellan, Kylan, Kaylan, Kylian.