Killian Unisex

Popularity: #346 · Trend: ↗ Rising

Name Meaning & Origin Pronunciation: KIL-ee-an //ˈkɪl.i.ən//

Origin: Irish; Latin

Meaning: Irish: 'little church'; Latin: 'warrior'

Historical & Cultural Background

The name Killian has its roots in the Irish name Cillian, which is derived from the Old Irish "Cill" meaning "church" or "cell" and the diminutive suffix "-an." This etymology suggests a meaning akin to "little church" or "follower of the church." The name Cillian was borne by a 7th-century Irish saint, Saint Cillian, who is recognized as a missionary in what is now Germany. His life and works contributed to the spread of Christianity in the region, and he is venerated in both Ireland and Germany, which helped to establish the name's significance in early medieval Christian contexts.

As the name evolved, it was Latinized to "Cillianus" and later adopted into various forms across Europe, including the anglicized Killian. The name appeared in historical texts and records from the early medieval period, particularly in Ireland, where it was associated with monastic communities.

The spread of Christianity and the establishment of churches in Ireland and beyond facilitated the dissemination of the name through ecclesiastical records and hagiographies, particularly during the 9th and 10th centuries. Culturally, the name Killian has been associated with themes of faith, dedication, and community service, reflecting its ecclesiastical origins.

The name has also been linked to various legends and folklore within Irish culture, further embedding it in the cultural consciousness. In addition to its historical significance, the name has variations in different languages, such as Kilian in German and Cillian in Irish, which highlight its adaptability and enduring legacy across different cultures and regions.

Famous people named Killian

In this section, you will find notable people named Killian. We include individuals across a wide range of fields, including actors known for their work in film, television, and stage productions. You'll also find musicians, directors, and other public figures named Killian who have made a significant impact on popular culture.

We also feature individuals named Killian who have made meaningful contributions to science, politics, athletics, literature, and other areas of public interest.

Please note that not every baby name in our database currently has a famous namesake listed. If you would like to suggest a name we may have missed or submit a correction, feel free to contact us. We review and finalize additions and corrections within 24 hours.

Killian Murphy is an actor best known for Peaky Blinders, Inception, and 28 Days Later.

Killian Scott is an actor best known for Love/Hate, Strike Back, and Dublin Murders.

Fictional characters named Killian

The following list of fictional characters named Killian is a work in progress. If you would like to suggest an additional character, please send us the character's name along with a brief, one-sentence description of what they are best known for.

You may also submit corrections, which we will review and update as quickly as possible.

Killian Jones is a fictional character from the TV series Once Upon a Time. He is a charming and complex pirate known as Captain Hook who seeks redemption and love throughout the series.

Killian is a fictional character from the video game series Fire Emblem. He is a skilled mage and a member of the game's cast, known for his strategic importance in battles.

Sibling suggestions

If you're looking for sibling name ideas that pair well with Killian, the following options are frequently chosen as complementary choices by parents.

Similar names

Based on our extensive baby names database, several names share stylistic or phonetic similarities with Killian. These names can serve as alternatives to the sibling suggestions listed above and may help you find the perfect complementary name for your growing family.

U.S. Historical Usage

The name Killian was first seen in the United States in 1915.

Killian has ranked as high as #435 nationally, which occurred in 2017, and has been most popular in California, Texas, Florida, New York, and Pennsylvania.

In the past 5 years the name Killian has been trending down compared to the previous 5 years.

Popularity Over Time (National)

The name Killian is part of our comprehensive baby names database, which includes Social Security Administration (SSA) data dating back to 1880—the first official year of state and national tracking. The chart below shows when Killian was first recorded in the United States and illustrates how its popularity has risen and fallen over time.

Top States for Killian (2024)

We track the most popular states for each baby name every year and highlight the locations where the name appears most frequently. In some cases, you may see four or five states listed. However, we only display states where the name represents a significant percentage of births, so the number of states shown can range from one to several.

State Births Share
FL 67
8%
TX 57
7%
NY 52
6%
CA 49
6%
PA 48
6%
MI 37
5%
NC 35
4%
OH 33
4%
WA 31
4%
VA 30
4%
TN 26
3%
IL 26
3%
MA 25
3%
AZ 22
3%
GA 21
3%

Popularity Over Time (National) — Table

We track the national popularity of each baby name annually. The table below displays each year along with the number of births reported by the Social Security Administration. This data combines all state-level reporting from the SSA's baby names database to provide a comprehensive view of overall birth counts for Killian.

YearBirths
2024884
2023884
2022902
2021939
2020899
20191,089
20181,229
20171,505
20161,382
2015976
2014545
2013294
2012270
2011299
2010293
2009304
2008274
2007255
2006176
2005162
2004151
2003117
2002117
2001129
2000139
1999113
1998137
1997145
1996145
1995135
199494
199394
199271
199175
199081
198954
198822
19879
198613
19859
19847
19839
19829
19205
19155