The baby name Killian is a Male name , 3 syllables long and is pronounced /ˈkɪliən/ — KIL-ee-ən.
Killian is Irish in Origin.
The baby name Killian is a Male name , 3 syllables long and is pronounced /ˈkɪliən/ — KIL-ee-ən.
Killian is Irish in Origin.
Irish Gaelic in origin, Killian is the Anglicized form of Cillian, commonly traced to cill “church” with the diminutive -ín, yielding “little church” or “churchman.” Some scholars also link it to the Old Irish personal name Ceallach, interpreted as “war/strife,” so the name carries a dual tradition of sacred and martial associations. Its sound and spelling reflect medieval Latin forms such as Chilianus.
The name gained continental footing through Saint Kilian, a 7th‑century Irish missionary and martyr in Würzburg, whose cult spread across German‑speaking lands and Central Europe. As a result, Kilian (one L) became standard in German, Austrian, and Polish usage, while Cillian dominates in Ireland; Killian is the prevailing English variant. Modern and creative spellings include Kylian (notably in French). Related surname forms such as Killion also occur. The name has seen a contemporary revival in Ireland, Britain, and North America.
| Killian Scott Killian Scott is an Irish actor best known for playing Tommy in the RTÉ One crime drama Love/Hate. Born Cillian Damien Murphy on 6 July 1985, he rose to prominence through Love/Hate between 2010 and 2014. |
Based on birth registration data from national statistics agencies.
| Country | Gender | Year | Rank | Born | of |
|---|---|---|---|---|---|
| Ireland | Boys | 2025 | #1 | — | 836 |
| LU | 0 | #65 | 2 | 2,830 | |
| QA | 0 | #106 | 1 | 7,011 | |
| BN | Girls | 0 | #114 | 1 | 5,459 |
| Switzerland | Boys | 2024 | #134 | 4 | 1,769 |
| BW | Girls | 0 | #150 | 2 | 4,216 |
| BW | Boys | 0 | #151 | 4 | 4,685 |
| Sweden | Boys | 2022 | #164 | 19 | 1,509 |
| MT | Boys | 0 | #179 | 1 | 4,064 |
| AE | 0 | #186 | 2 | 10,220 | |
| Belgium | Boys | 2009 | #204 | 30 | 415 |
| LU | Boys | 0 | #213 | 8 | 4,970 |
| Canada | Boys | 2024 | #232 | 75 | 2,588 |
| MO | Boys | 0 | #234 | 1 | 5,842 |
| GH | 0 | #248 | 1 | 5,396 | |
| NA | Boys | 0 | #250 | 4 | 6,830 |
| TW | Boys | 0 | #256 | 1 | 7,111 |
| NG | 0 | #272 | 1 | 5,926 | |
| SG | 0 | #282 | 1 | 11,010 | |
| JP | Boys | 0 | #303 | 1 | 7,909 |
| CZ | Boys | 0 | #305 | 1 | 6,530 |
| CN | Boys | 0 | #330 | 2 | 9,639 |
| DK | Boys | 0 | #330 | 3 | 7,401 |
| GH | Boys | 0 | #335 | 11 | 8,138 |
| United States | Boys | 2024 | #337 | 884 | 7,044 |
| MY | 0 | #354 | 1 | 12,352 | |
| HK | 0 | #357 | 1 | 8,483 | |
| SD | Girls | 0 | #358 | 1 | 7,678 |
| France | Boys | 2021 | #363 | 25 | 2,865 |
| MU | Boys | 0 | #364 | 6 | 8,477 |
| PT | Boys | 0 | #381 | 1 | 7,951 |
| UY | Boys | 0 | #412 | 2 | 5,922 |
| PH | Girls | 0 | #429 | 1 | 13,098 |
| ZA | 0 | #470 | 5 | 14,421 | |
| AR | Boys | 0 | #481 | 3 | 7,628 |
| GT | Boys | 0 | #499 | 1 | 7,625 |
| CR | Boys | 0 | #505 | 6 | 10,188 |
| CM | Boys | 0 | #514 | 37 | 12,054 |
| PA | Girls | 0 | #518 | 1 | 9,861 |
| RU | Boys | 0 | #521 | 6 | 12,621 |
| RU | Girls | 0 | #523 | 1 | 11,913 |
| HK | Boys | 0 | #549 | 9 | 12,905 |
| CM | Girls | 0 | #558 | 3 | 11,671 |
| KW | Girls | 0 | #561 | 1 | 19,177 |
| IR | Boys | 0 | #563 | 3 | 10,162 |
| CR | Girls | 0 | #573 | 1 | 11,342 |
| HK | Girls | 0 | #649 | 2 | 16,104 |
| Finland | Boys | 2026 | #676 | 7 | 3,552 |
| CL | Boys | 0 | #698 | 3 | 13,390 |
| QA | Boys | 0 | #742 | 2 | 18,093 |
| BR | Boys | 0 | #780 | 6 | 12,213 |
| KW | Boys | 0 | #806 | 1 | 18,755 |
| NG | Girls | 0 | #826 | 1 | 15,093 |
| TN | 0 | #865 | 1 | 13,765 | |
| NL | Boys | 0 | #873 | 79 | 5,873 |
| Spain | Boys | 0 | #885 | 46 | 5,610 |
| CO | Boys | 0 | #889 | 32 | 15,656 |
| United States | Girls | 2024 | #905 | 12 | 8,487 |
| PE | Boys | 0 | #925 | 2 | 14,506 |
| NG | Boys | 0 | #926 | 26 | 16,906 |
| Germany | Boys | 0 | #939 | 14 | 5,697 |
| PE | Girls | 0 | #1,009 | 2 | 14,861 |
| MX | Boys | 0 | #1,025 | 9 | 16,355 |
| MY | Girls | 0 | #1,072 | 1 | 24,821 |
| ZA | Boys | 0 | #1,093 | 86 | 25,619 |
| AE | Boys | 0 | #1,139 | 5 | 22,615 |
| CO | Girls | 0 | #1,151 | 2 | 16,140 |
| MY | Boys | 0 | #1,182 | 1 | 25,439 |
| MA | 0 | #1,197 | 3 | 20,986 | |
| DZ | 0 | #1,231 | 4 | 20,130 | |
| ZA | Girls | 0 | #1,233 | 4 | 25,928 |
| IT | Boys | 0 | #1,445 | 27 | 10,046 |
| SA | Boys | 0 | #1,691 | 1 | 28,008 |
Killian is popular in 52 countries — most recent births per country:
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