Cylus is a rare boys' name that peaked in 2012 and has grown less common since.
Cylus is a boy name. In 2025 it ranked #3,527 for boy births in the United States (and #7,599 across all names), given to 32 babies. Cylus first appears in 1997 and peaked in 2012 (77 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 32 | 32 | #3,527 |
| 2024 | 29 | 29 | #3,817 |
| 2023 | 43 | 43 | #2,904 |
| 2022 | 37 | 37 | #3,226 |
| 2021 | 41 | 41 | #2,986 |
| 2020 | 44 | 44 | #2,771 |
| 2019 | 42 | 42 | #2,905 |
| 2018 | 33 | 33 | #3,387 |
| 2017 | 39 | 39 | #3,022 |
| 2016 | 54 | 54 | #2,390 |
| 2015 | 52 | 52 | #2,436 |
| 2014 | 75 | 75 | #1,925 |
| 2013 | 59 | 59 | #2,212 |
| 2012 | 77 | 77 | #1,884 |
| 2011 | 65 | 65 | #2,061 |
| 2010 | 48 | 48 | #2,559 |
| 2009 | 40 | 40 | #2,958 |
| 2008 | 23 | 23 | #4,291 |
| 2007 | 21 | 21 | #4,529 |
| 2006 | 7 | 7 | #9,772 |
| 2005 | 12 | 12 | #6,303 |
| 2004 | 8 | 8 | #8,273 |
| 2003 | 7 | 7 | #8,840 |
| 2002 | 8 | 8 | #7,787 |
| 1997 | 6 | — | #8,336 |