14,286births recorded
9Countries
2Variants
2019Peak · British Columbia
#319England & Wales 2025
Cassius is a boy name family recorded 14,286 times in 9 countries since 1880. It ranks highest today in England & Wales (#319 in 2025). Its all-time peak was in British Columbia in 2019, at 52.2 births per 100,000.
Popularity by country
Births per 100,000 newborns, all forms of the name combined.
Which form wins where
Births per 100,000 newborns for each form, in the selected country.
All forms of Cassius
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Cassius | English | 9,766 | 🇺🇸 United States | #582 | 2020 | ▲ 39 % |
| Cassius | English | 2,472 | 🏴 England & Wales | #319 | 2023 | ▲ 102 % |
| Cassius | English | 262 | 🇨🇦 Ontario | #849 | 2022 | ▲ 6 % |
| Cassius | English | 153 | 🇨🇦 Alberta | #809 | 2019 | ▼ 20 % |
| Cassius | English | 125 | 🇫🇷 France | – | 2018 | – |
| Cassius | English | 123 | 🇨🇦 British Columbia | – | 2019 | – |
| Kassius | English | 1,197 | 🇺🇸 United States | #2230 | 2022 | ▲ 60 % |
| Kassius | English | 156 | 🏴 England & Wales | #1613 | 2025 | ▲ 227 % |
| Kassius | English | 7 | 🇨🇦 Ontario | – | 2020 | – |
How we grouped these names
- Cassius ↔ Kassius — spelling variant
Questions about Cassius
How popular is the name Cassius?
In 2025 it ranked #319 in England & Wales. Official registers record 14,286 births across 9 countries.
What is Cassius in other languages?
Kassius (English).
When was Cassius most popular?
It peaked in British Columbia in 2019, at 52.2 births per 100,000.
Is Cassius a boy or a girl name?
In official birth registers, Cassius is a boy name.