Meaning
We don’t have a verified meaning for Cillian.
We only publish meanings we can cite to a source you could check yourself. Most sites will give you one anyway; the ones you find elsewhere are often copied between sites without verification.
Its story
Popularity since 1995
Hover over or drag across the chart to see any year.
See the 25 recorded years as a table
| Year | Per million |
|---|---|
| 1995 | 3 |
| 1999 | 3 |
| 2001 | 3 |
| 2004 | 4 |
| 2005 | 5 |
| 2006 | 20 |
| 2007 | 19 |
| 2008 | 25 |
| 2009 | 26 |
| 2010 | 28 |
| 2011 | 35 |
| 2012 | 38 |
| 2013 | 41 |
| 2014 | 45 |
| 2015 | 63 |
| 2016 | 93 |
| 2017 | 92 |
| 2018 | 106 |
| 2019 | 104 |
| 2020 | 132 |
| 2021 | 195 |
| 2022 | 202 |
| 2023 | 279 |
| 2024 | 388 |
| 2025 | 348 |
Where it’s loved
Most popular in these states
Compared with the country as a whole, pooled over 2023–2025.
AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFL
- Massachusetts 2.8×
- Colorado 1.8×
- Pennsylvania 1.8×
- New York 1.8×
- Virginia 1.6×
More like it
More like Cillian
The numbers
Every figure
- Births in 2025
- 595
- Rank in 2025
- #507
- How rare
- 1 in 2,870 boys
- Since 1995
- 4,084
Most popular in 2024, at 388 per million boys born.
Over the ten years to 2025 it has risen by 452% per million boys born.
| State | Times the national rate | Births pooled |
|---|---|---|
| Massachusetts | 2.8× | 77 |
| Colorado | 1.8× | 47 |
| Pennsylvania | 1.8× | 94 |
| New York | 1.8× | 154 |
| Virginia | 1.6× | 62 |
Figures from the US Social Security Administration’s 2025 release. How these numbers are made.