Cillian Name Popularity and Statistics
Cillian is Predominantly used for boys. The statistics below show this exact spelling in official U.S. records.
Meaning, origin, and pronunciation details are shown only after they have been independently reviewed.
Most Recent Year on Record2025
Total Recorded U.S. Births4,090
First Year on Record1995
Cillian popularity by year
| Year | Usage category | Births | Rank |
|---|---|---|---|
| 2025 | Boys | 595 | #507 |
| 2024 | Girls | 6 | #13,477 |
| 2024 | Boys | 668 | #463 |
| 2023 | Boys | 477 | #594 |
| 2022 | Boys | 353 | #735 |
| 2021 | Boys | 341 | #747 |
| 2020 | Boys | 228 | #957 |
| 2019 | Boys | 186 | #1,078 |
| 2018 | Boys | 193 | #1,052 |
| 2017 | Boys | 170 | #1,126 |
| 2016 | Boys | 177 | #1,105 |
| 2015 | Boys | 121 | #1,416 |
| 2014 | Boys | 87 | #1,730 |
| 2013 | Boys | 77 | #1,851 |
| 2012 | Boys | 73 | #1,942 |
| 2011 | Boys | 66 | #2,035 |
| 2010 | Boys | 54 | #2,354 |
| 2009 | Boys | 52 | #2,451 |
| 2008 | Boys | 51 | #2,467 |
| 2007 | Boys | 39 | #2,974 |
| 2006 | Boys | 42 | #2,744 |
| 2005 | Boys | 10 | #7,096 |
| 2004 | Boys | 8 | #8,143 |
| 2001 | Boys | 6 | #9,243 |
Ranks compare names only within the same year and source category. Birth totals are historical records, not an exact count of living people.
Peak recorded years
2024 · Boys
668 recorded births and rank #463.
2025 · Boys
595 recorded births and rank #507.
2023 · Boys
477 recorded births and rank #594.
2022 · Boys
353 recorded births and rank #735.
Where Cillian ranked highest in 2025
State rankings are calculated separately for girls and boys within each state. The SSA omits state-level names recorded fewer than five times, so low visible counts can still represent a relatively high state rank.
Highest state rankings for Boys
- AK
- Rank #165 · 5 recorded births
- RI
- Rank #200 · 5 recorded births
- DE
- Rank #203 · 5 recorded births
- NH
- Rank #230 · 5 recorded births
- NM
- Rank #270 · 7 recorded births
- MA
- Rank #307 · 18 recorded births
- VA
- Rank #329 · 25 recorded births
- NJ
- Rank #344 · 24 recorded births