# Killian (first name)

Source: https://namelineage.com/first-name/killian/  
Publisher: Name Lineage. US counts from the Social Security Administration; England and Wales counts from the Office for National Statistics; meaning and etymology from Wiktionary. Data updated 2026-11-11.

| Field | Value |
|---|---|
| Usually given to | boys |
| Origin | Irish |
| Meaning | not recorded |
| Pronunciation | not recorded |
| Nicknames | none recorded |
| Variant spellings | Kilian |
| US babies named this | 16,834 since 1880 |
| Boys / girls in the US | 16,219 / 615 (4% girls) |
| Babies in England and Wales | 877, 1996 to 2025 |

## Etymology

An anglicized spelling of Irish Cillian.

## Popularity

The last 15 years of each series. A year is missing when too few babies were given the name for the agency to publish it: five in the US, three in England and Wales.

### United States, girls

| Year | Babies | Rank |
|---|---|---|
| 2011 | 17 | 7,283 |
| 2012 | 11 | 10,091 |
| 2013 | 16 | 7,584 |
| 2014 | 16 | 7,494 |
| 2015 | 25 | 5,387 |
| 2016 | 19 | 6,554 |
| 2017 | 22 | 5,751 |
| 2018 | 21 | 5,910 |
| 2019 | 16 | 7,195 |
| 2020 | 13 | 8,202 |
| 2021 | 21 | 5,857 |
| 2022 | 20 | 6,109 |
| 2023 | 12 | 8,742 |
| 2024 | 12 | 8,716 |
| 2025 | 15 | 7,333 |

### United States, boys

| Year | Babies | Rank |
|---|---|---|
| 2011 | 299 | 758 |
| 2012 | 270 | 819 |
| 2013 | 294 | 768 |
| 2014 | 545 | 511 |
| 2015 | 976 | 350 |
| 2016 | 1,382 | 264 |
| 2017 | 1,506 | 248 |
| 2018 | 1,229 | 287 |
| 2019 | 1,089 | 311 |
| 2020 | 899 | 352 |
| 2021 | 939 | 347 |
| 2022 | 903 | 364 |
| 2023 | 884 | 368 |
| 2024 | 885 | 370 |
| 2025 | 770 | 418 |

### England and Wales, boys

| Year | Babies | Rank |
|---|---|---|
| 2011 | 9 | 2,194 |
| 2012 | 12 | 1,852 |
| 2013 | 9 | 2,216 |
| 2014 | 7 | 2,690 |
| 2015 | 24 | 1,121 |
| 2016 | 48 | 712 |
| 2017 | 57 | 628 |
| 2018 | 76 | 511 |
| 2019 | 72 | 526 |
| 2020 | 56 | 623 |
| 2021 | 66 | 577 |
| 2022 | 79 | 492 |
| 2023 | 66 | 567 |
| 2024 | 59 | 638 |
| 2025 | 59 | 627 |

## People named Killian

- Killian Hayes, French-American basketball player (born 2001)
- Killian Overmeire, Belgian footballer
- Killian Tillie, French basketball player (born 1998)

## How to read these numbers

A count is babies registered with that name in that year, not people alive now, so a name common a century ago can have a large total and few recent births.