Cylus Boy
How popular is Cylus?
#3,512 boy name in 2025
32 baby boys were named Cylus in the US in 2025, making it the 3512th most popular boy name.
Cylus popularity over time
| Rank in 2025 | #3,512 for boys (▲ 279 from 2024) |
|---|---|
| Babies in 2025 | 32 boys |
| 10-year trend | Falling (-38% babies vs 2015) |
| Earlier ranks | #2,428 in 2015, #2,758 in 2020 |
| Peak year | 2012 (77 boys) |
| Highest rank | #1,881 in 2012 |
| First recorded | 1997 |
| Boys vs girls (last 10 years) | 100% boys, 0% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Cylus counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Cylas family of names ranked #1,349 for boys in 2025 (#1,568 the year before), with 112 babies in all.
| Spelling | Boys in 2025 | Share |
|---|---|---|
| Cylas | 65 | 58% |
| Cylus | 32 | 29% |
| Cylis | 15 | 13% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Cylus is most popular
Babies named Cylus per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
Cylus by decade
Boy names about as popular as Cylus
Questions
- Is Cylus a boy or girl name?
- Cylus is mostly a boy name. Over the last 10 years, 100% of babies named Cylus were boys.
- How popular is the name Cylus?
- 32 baby boys were named Cylus in the US in 2025, making it the 3512th most popular boy name.
- When was Cylus most popular?
- Cylus peaked in 2012, when 77 boys were given the name. Its highest rank was #1,881 in 2012.
- How many people are named Cylus?
- 902 babies have been named Cylus in the US since 1880. We estimate about 895 of them are alive in 2026, with a median age of 12.
- Where is Cylus most popular?
- From 2021 to 2025, Cylus was most common in Ohio, at 0.0 of every 1,000 boys born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.