Kassius Boy
How popular is Kassius?
#2,230 boy name in 2025
63 baby boys were named Kassius in the US in 2025, making it the 2230th most popular boy name.
Kassius popularity over time
Boys Girls
| Rank in 2025 | #2,230 for boys (▼ 339 from 2024) |
|---|---|
| Babies in 2025 | 63 boys |
| 10-year trend | Rising (+43% babies vs 2015) |
| Earlier ranks | #2,721 in 2015, #1,579 in 2020 |
| Peak year | 2022 (124 boys) |
| Highest rank | #1,457 in 2022 |
| First recorded | 2001 |
| Boys vs girls (last 10 years) | 99% boys, 1% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Kassius counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Cassius family of names ranked #513 for boys in 2025 (#492 the year before), with 573 babies in all.
| Spelling | Boys in 2025 | Share |
|---|---|---|
| Cassius | 504 | 88% |
| Kassius | 63 | 11% |
| Kasius | 6 | 1% |
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 Kassius is most popular
Babies named Kassius per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
- Mississippi: 0.1 per 1,000 (5 boys)
- Arizona: 0.1 per 1,000 (12 boys)
- Florida: 0.1 per 1,000 (33 boys)
- Illinois: 0.1 per 1,000 (14 boys)
- Colorado: 0.0 per 1,000 (6 boys)
Kassius by decade
Boy names about as popular as Kassius
Questions
- Is Kassius a boy or girl name?
- Kassius is mostly a boy name. Over the last 10 years, 99% of babies named Kassius were boys.
- How popular is the name Kassius?
- 63 baby boys were named Kassius in the US in 2025, making it the 2230th most popular boy name.
- When was Kassius most popular?
- Kassius peaked in 2022, when 124 boys were given the name. Its highest rank was #1,457 in 2022.
- How many people are named Kassius?
- 1,197 babies have been named Kassius in the US since 1880. We estimate about 1,191 of them are alive in 2026, with a median age of 6.
- Where is Kassius most popular?
- From 2021 to 2025, Kassius was most common in Mississippi, at 0.1 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.