What does Killian mean and where does it come from?
Killian is derived from the Irish name Cillian (from 'cill', meaning 'church' or 'cell', and 'ian', meaning 'little'). It can be associated with warriors or clerics, making it versatile in its usage. The spelling Killian is more common in English-speaking countries. While more traditionally a male n
Cultural significance
Killian has been a cherished name across cultures, particularly in Irish-speaking communities, where it reflects values of warrior.
Peak popularity
Reached #3471 in 1997 — currently #367 in the US.
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Related Reading
Irish-origin baby names with timeless appeal
Browse names →How else can you spell Killian?
Same sound, different look — useful if you want something slightly more distinctive
What middle names flow best with Killian?
Killian works best with short, strong middle names — one or two syllables keep the full name from becoming a mouthful
Killian Grace
Most popular combo · classic
Killian Rose
Floral · soft ending
Killian Mae
Sweet · timeless
Killian Claire
French influence · crisp
Killian Jane
Literary · strong
Killian Skye
Modern · airy feel
How popular is Killian right now?
Holding steady — currently #367 in the US out of 135.5k tracked names
| Year | US Rank | Births | vs Prior Year |
|---|
| 2023 | #367 | 884 | ▼ down 3 · -2% births |
| 2022 | #364 | 902 | ▼ down 17 · -4% births |
| 2021 | #347 | 939 | ▲ up 8040 · +7725% births |
| 2020 | #8387 | 12 | ▼ down 3075 · -52% births |
| 2015 | #5312 | 25 | ▲ up 2239 · +56% births |
| 2010 | #7551 | 16 | ▲ up 2651 · +60% births |
| 2005 | #10202 | 10 | ▼ down 4474 · -47% births |
| 2000 | #5728 | 19 | ▼ down 853 · -5% births |
| 1995 | #4875 | 20 | ▲ up 3095 · +100% births |
| 1990 | #7970 | 10 | — |
The story of Killian
Killian is a relatively modern name, first appearing in US records in 1986. A total of 12,349 babies have received this name. The name has grown more popular over time, rising from #7970 in 1990 to #367 in 2023. Killian is used for both genders: 4% female and 96% male.
Names that peaked alongside Killian in 1997:
Killian by decade
Killian peaked in the 1990s. See all 1990s names →
| Decade | Births | |
|---|
| 1910s | 5 | |
| 1920s | 5 | |
| 1980s | 160 | |
| 1990s | 1,258 | |
| 2000s | 1,969 | |
| 2010s ★ | 8,044 | |
| 2020s | 908 | |
What are good nicknames for Killian?
Famous people named Killian
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Killian (Irish saint)
Killian helped spread this name across Ireland and Scotland through the early Christian monastic movement.
K(
Killian (Irish revolutionary)
Killian carried this name during Ireland's struggle for independence, giving it a spirit of courage.
K(
Killian (Celtic chieftain)
Killian bore this name in ancient Ireland, where it connected to the Gaelic oral tradition.
K(
Killian (Irish saint)
Killian helped spread this name across Ireland and Scotland through the early Christian monastic movement.
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Celebrity Names
What celebrities named their babies in 2024
Explore →What names sound and feel like Killian?
Based on sound, origin, and style — parents who love Killian also consider these
How is Killian written in other languages?
Common questions about the name Killian
What does the name Killian mean?
Killian means "Warrior" — a name rooted in Irish tradition that carries both historical depth and timeless appeal. The meaning reflects values that have made this name endure across generations.
How popular is the name Killian?
Killian is currently ranked #367 in the United States as a baby name in the US and is becoming rarer and more distinctive, making it a unique choice that stands out.
What is the cultural origin of Killian?
Killian originates from Irish tradition. Irish names tend to carry strong cultural heritage and have spread across the world through migration, literature, and religion over centuries.
How do you pronounce the name Killian?
Killian is a two-syllable name pronounced K IH1 L Y AH0 N. The pronunciation is straightforward for English speakers, and the name reads clearly on paper — an important practical consideration for parents.
Is Killian more of a girl or boy name?
Killian is a genuinely unisex name used for both boys and girls. The unisex quality makes it particularly versatile for modern families.