Cassius
A Roman family name of uncertain derivation, sometimes connected to Latin cassus, meaning empty or hollow. Early Christian martyrs carried it.
Cassius in 2025
Cassius was given to 504 babies in the United States in 2025, making it the 1,162nd most popular name of the year. That is roughly one in every 6,578 babies born.
The history of Cassius
Cassius reached its highest point in 2021, when 612 babies were given the name, ranking 996th that year. Its best-ever ranking was 831st, in 1880.
Across the 146 years of records since 1880, 9,766 babies have been named Cassius. Half of them were born before 2016, which places the name's centre of gravity with Generation Alpha.
Cassius by decade
| Decade | Babies named Cassius | Best rank |
|---|---|---|
| 1880s | 82 | 831 |
| 1890s | 35 | 1,768 |
| 1900s | 5 | 3,255 |
| 1910s | 95 | 3,288 |
| 1920s | 112 | 4,048 |
| 1930s | 47 | 4,070 |
| 1940s | 59 | 4,614 |
| 1950s | 34 | 6,558 |
| 1960s | 309 | 2,049 |
| 1970s | 189 | 3,474 |
| 1980s | 211 | 5,155 |
| 1990s | 419 | 4,323 |
| 2000s | 1,225 | 2,120 |
| 2010s | 3,643 | 1,067 |
| 2020s | 3,301 | 985 |
Where Cassius is heading
Cassius has risen 24% over the past decade, from 406 babies in 2015 to 504 in 2025.
Names like Cassius
Names that rose and fell at the same time as Cassius.