Primarily a boy's name · 100% boys
→ See names similar to Cillian · Popular names of the 2020s · Boys names starting with C
Rank is among all boys' names registered that year.
| Year | Babies | Rank |
|---|---|---|
| 1995 | 5 | #9,094 |
| 1999 | 5 | #10,182 |
| 2001 | 6 | #9,466 |
| 2004 | 8 | #8,267 |
| 2005 | 10 | #7,206 |
| 2006 | 42 | #2,750 |
| 2007 | 39 | #2,982 |
| 2008 | 51 | #2,477 |
| 2009 | 52 | #2,458 |
| 2010 | 54 | #2,358 |
| 2011 | 66 | #2,040 |
| 2012 | 73 | #1,946 |
| 2013 | 77 | #1,853 |
| 2014 | 87 | #1,733 |
| 2015 | 121 | #1,418 |
| 2016 | 177 | #1,107 |
| 2017 | 170 | #1,126 |
| 2018 | 193 | #1,051 |
| 2019 | 186 | #1,077 |
| 2020 | 228 | #957 |
| 2021 | 340 | #749 |
| 2022 | 352 | #737 |
| 2023 | 476 | #594 |
| 2024 | 668 | #463 |