Killian

“Warrior” — Associated with warriors or clerics

Irish origin · Unisex name

♂ 96% boys♀ 4% girls

#367US 2023

884Births / yr

→Stable

12.3kAll-time births

📅 Since 198600

How to pronounce Killian

KILY·un

/ˈkɪlj.ən/ · stress on KILY · 2 syllables

“Warrior”

Associated with warriors or clerics · Irish origin

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.

🌿

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

How popular is Killian right now?

Holding steady — currently #367 in the US out of 135.5k tracked names

US Trend 1990–2023#367 · Top 0.27%

1990

1995

2000

2005

2010

2015

2020

2021

2022

2023

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	—

Name Popularity Timeline

Popularity Statistics for Killian

Best Year2021Rank #347

Peak Count939

Average Rank#5110

Current Trend↗Rising

Data Range1990 - 202310 years

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:

Emily Jessica Ashley Sarah Hannah

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?

Common

KilKiIllian

Famous people named Killian

Killian (Irish saint)

Killian helped spread this name across Ireland and Scotland through the early Christian monastic movement.

Killian (Irish revolutionary)

Killian carried this name during Ireland's struggle for independence, giving it a spirit of courage.

Killian (Celtic chieftain)

Killian bore this name in ancient Ireland, where it connected to the Gaelic oral tradition.

Killian (Irish saint)

Killian helped spread this name across Ireland and Scotland through the early Christian monastic movement.

👑

Celebrity Names

What celebrities named their babies in 2025

Explore →

What names sound and feel like Killian?

Based on sound, origin, and style — parents who love Killian also consider these

Kilian

Ireland · A beloved name

Killyan

Irish · Cillean, meaning 'warrior

Fillian

Irish · A Irish name

Lillian

United Kingdom · lily

Killean

Ireland · Slender or narrow

Irish · little dark one;

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.