Cylus
Boy name · #3556 in 2025 · Very rare
How old is the name Cylus? In official American birth records, Cylus has been tracked continuously since 1997, giving it 28 years of documented American history.
In 2025, 32 baby boys were named Cylus, placing it at #3556 in the official national rankings. A decade ago it stood at #2429, so the name has been falling over the past ten years. Roughly one in every 56,250 boys born in 2025 was named Cylus.
Babies named Cylus per year. Source: Official national birth records.
The 28-year story
Cylus first appears in the Social Security records in 1997, when 6 boys received the name. Its peak came in 2012, when 77 boys were named Cylus — good for #1882 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Unlock the 5-year forecast and compare Cylus against up to 5 other names.
Uniqueness: will there be another Cylus in class?
On our rarity read — which blends how common Cylus is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Cylus will likely be the only one in the room, with the occasional spelling-out as the price.
Where Cylus is most common
State-level data for Cylus is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Cylus
Statistically, parents drawn to Cylus tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Sylus, Tytus, Gaius, Kidus, and Cylas.
SylusTytusGaiusKidusCylasCruzeChampTidus
Rank history (last 25 years)
| Year | Babies named Cylus | Rank |
|---|---|---|
| 2025 | 32 | #3513 |
| 2024 | 29 | #3793 |
| 2023 | 43 | #2895 |
| 2022 | 37 | #3216 |
| 2021 | 41 | #2972 |
| 2020 | 44 | #2759 |
| 2019 | 42 | #2897 |
| 2018 | 33 | #3373 |
| 2017 | 39 | #3006 |
| 2016 | 54 | #2387 |
| 2015 | 52 | #2429 |
| 2014 | 75 | #1920 |
| 2013 | 59 | #2205 |
| 2012 | 77 | #1882 |
| 2011 | 65 | #2059 |
| 2010 | 48 | #2556 |
| 2009 | 40 | #2946 |
| 2008 | 23 | #4267 |
| 2007 | 21 | #4493 |
| 2006 | 7 | #9585 |
| 2005 | 12 | #6226 |
| 2004 | 8 | #8143 |
| 2003 | 7 | #8643 |
| 2002 | 8 | #7643 |
| 1997 | 6 | #8110 |
Frequently asked questions
How old is the name Cylus?
In official American birth records, the name Cylus first appeared in 1997 (over 28 years ago), when 6 newborn boys received the name. It has been tracked in modern national records for 28 years.
Is Cylus a popular boy name?
Cylus ranked #3556 among boys in 2025 with 32 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2429.
When was the name Cylus most popular?
Cylus peaked in 2012, when 77 American boys received the name (ranked #1882 that year). Since 2012 the name has declined from that high.
How rare is the name Cylus?
In 2025, roughly 1 in 56,250 newborn American boys was named Cylus. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.