Cillian
KIL-ee-an Boy Irish
Strife or church
Etymology
From Irish Cillian, possibly from ceallach ('strife') or ceall ('monastery, church').
Variants
- Killian
- Kylian
- Kilian
- Kyllian
Rank by region
| Region | Boys | Year |
|---|---|---|
| United States | 2025 | |
| England and Wales | 2025 | |
| Scotland | 2024 | |
| Northern Ireland | 2025 | |
| Ireland | 2025 | |
| Canada | 2024 | |
| New Zealand | 2025 |
Near Cillian in Scotland, 2024
Scotland top boysPopularity
Rising
#507 2025 · 595 babies
| Year | US |
|---|---|
| 2006 | #2750 |
| 2007 | #2982 |
| 2008 | #2477 |
| 2009 | #2458 |
| 2010 | #2359 |
| 2011 | #2040 |
| 2012 | #1946 |
| 2013 | #1853 |
| 2014 | #1734 |
| 2015 | #1418 |
| 2016 | #1107 |
| 2017 | #1126 |
| 2018 | #1052 |
| 2019 | #1078 |
| 2020 | #957 |
| 2021 | #747 |
| 2022 | #736 |
| 2023 | #594 |
| 2024 | #463 |
| 2025 | #507 |
Rising, but still outside the top 50.
Low overlap expected in a typical classroom.
Stable
#217 2025 · 230 babies
| Year | England & Wales |
|---|---|
| 2006 | #1089 |
| 2007 | #784 |
| 2008 | #995 |
| 2009 | #768 |
| 2010 | #761 |
| 2011 | #801 |
| 2012 | #736 |
| 2013 | #732 |
| 2014 | #552 |
| 2015 | #405 |
| 2016 | #380 |
| 2017 | #324 |
| 2018 | #256 |
| 2019 | #254 |
| 2020 | #238 |
| 2021 | #274 |
| 2022 | #223 |
| 2023 | #204 |
| 2024 | #177 |
| 2025 | #217 |
Stable, still outside the top 50.
Recognisable, but likely to feel uncommon in most classrooms.
Rising
#83 2024 · 62 babies
| Year | Scotland |
|---|---|
| 2005 | Not ranked |
| 2006 | Not ranked |
| 2007 | #519 |
| 2008 | #549 |
| 2009 | #409 |
| 2010 | #438 |
| 2011 | #326 |
| 2012 | #399 |
| 2013 | #338 |
| 2014 | #277 |
| 2015 | #226 |
| 2016 | #235 |
| 2017 | #205 |
| 2018 | #148 |
| 2019 | #140 |
| 2020 | #150 |
| 2021 | #120 |
| 2022 | #123 |
| 2023 | #99 |
| 2024 | #83 |
Rising, but still outside the top 50.
Familiar, with a moderate chance of overlap in larger year groups.
Falling
#11 2025 · 95 babies
| Year | N. Ireland |
|---|---|
| 2006 | #110 |
| 2007 | #80 |
| 2008 | #98 |
| 2009 | #83 |
| 2010 | #62 |
| 2011 | #66 |
| 2012 | #61 |
| 2013 | #46 |
| 2014 | #48 |
| 2015 | #26 |
| 2016 | #31 |
| 2017 | #15 |
| 2018 | #13 |
| 2019 | #14 |
| 2020 | #9 |
| 2021 | #8 |
| 2022 | #9 |
| 2023 | #4 |
| 2024 | #2 |
| 2025 | #11 |
Falling, but still inside the top 50.
Higher chance of another child sharing it in a school year.
Rising
#9 2025 · 271 babies
| Year | Ireland |
|---|---|
| 2006 | #28 |
| 2007 | #22 |
| 2008 | #23 |
| 2009 | #21 |
| 2010 | #21 |
| 2011 | #22 |
| 2012 | #23 |
| 2013 | #23 |
| 2014 | #20 |
| 2015 | #22 |
| 2016 | #22 |
| 2017 | #16 |
| 2018 | #17 |
| 2019 | #17 |
| 2020 | #11 |
| 2021 | #9 |
| 2022 | #9 |
| 2023 | #9 |
| 2024 | #4 |
| 2025 | #9 |
Rising and already inside the top 10.
Higher chance of another child sharing it in a school year.
Rising
#468 2024 · 65 babies
| Year | Canada |
|---|---|
| 2006 | Not ranked |
| 2007 | Not ranked |
| 2008 | #2688 |
| 2009 | Not ranked |
| 2010 | #2434 |
| 2011 | #2176 |
| 2012 | #2463 |
| 2013 | #1600 |
| 2014 | #1424 |
| 2015 | #817 |
| 2016 | #1012 |
| 2017 | #886 |
| 2018 | #770 |
| 2019 | #851 |
| 2020 | #595 |
| 2021 | #702 |
| 2022 | #591 |
| 2023 | #511 |
| 2024 | #468 |
Rising, but still outside the top 50.
Low overlap expected in a typical classroom.
Rising
#302 2025 · 15 babies
| Year | NZ |
|---|---|
| 2018 | Not ranked |
| 2019 | Not ranked |
| 2020 | #433 |
| 2021 | #357 |
| 2022 | #327 |
| 2023 | #424 |
| 2024 | #320 |
| 2025 | #302 |
Rising, but still outside the top 50.
Low overlap expected in a typical classroom.