Killian
Irish · Boy · 2 syllables
Popularity & facts
Relative popularity index, 2010–2025Popularity over time
Popularity indexHistorical popularity from 1880–2025 · US Social Security Administration data
About the name Killian
Killian derives from the Irish name Cillian, which comes from the Old Irish element "ceall" meaning "church," ultimately rooted in Latin "cella." The name means "little church" or "associated with a church."
The name is primarily used in Irish and English-speaking cultures, with historical significance tied to Saint Killian, a 7th-century Irish missionary who evangelized in Franconia (modern-day Germany) and is venerated in both Irish Catholic and German Christian traditions.
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Etymology
Killian derives from the Irish name Cillian, which comes from the Old Irish element "ceall" meaning "church," ultimately rooted in Latin "cella." The name means "little church" or "associated with a church."
The name is primarily used in Irish and English-speaking cultures, with historical significance tied to Saint Killian, a 7th-century Irish missionary who evangelized in Franconia (modern-day Germany) and is venerated in both Irish Catholic and German Christian traditions.
Killian currently ranks #418 in the United States as a boy's name. It reached its peak popularity around 2017.
Variants & nicknames
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Sibling name ideas
Irish, French names that sit beautifully beside KillianSimilar names you might like
Names starting with KMore names starting with K
- Kabir
- Kaan
- Kaarlo
- Kaiden
- Kaija
- Kaarina
- Kaia
- Kahil
- Kai
- Kacper
- Kaci
- Kade
- Kaden
- Kacey
- Kaila
- Kaelan
- Kadie
- Kaelah
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