Rising since 1986, #582 for boys today.
Popularity of Cassius since 1880
Babies named Cassius per year in U.S. Social Security records.
Data table (by decade)
| Decade | Boys |
|---|---|
| 1880s | 82 |
| 1890s | 35 |
| 1900s | 5 |
| 1910s | 95 |
| 1920s | 112 |
| 1930s | 47 |
| 1940s | 59 |
| 1950s | 34 |
| 1960s | 309 |
| 1970s | 189 |
| 1980s | 211 |
| 1990s | 419 |
| 2000s | 1,225 |
| 2010s | 3,635 |
| 2020s | 3,279 |
Meaning & origin
Cassius is a name of Roman origin that has seen a steady revival in recent decades. After first appearing in U.S. birth records in 1880, the name has experienced a notable resurgence, particularly since 1986, when its trajectory turned upward. As of 2025, it ranks 582nd nationally, with a one-in-3,389 birth rate. The name peaked in popularity in 2020, reflecting a broader trend of Roman-inspired names gaining favor. Geographically, Cassius enjoys above-average use in Hawaii, Maine, and New Mexico, suggesting a diverse appeal across different regions. Its strong historical resonance, combined with a modern sound, continues to attract parents seeking a distinctive yet classical name.
Cassius is a Latin name of uncertain meaning, possibly derived from the Latin word 'cassus' meaning 'empty, hollow, vain.' It was the name of a prominent Roman gens (clan) of the Cassia family, most famously Gaius Cassius Longinus, a senator and lead conspirator in the assassination of Julius Caesar. The name also has ties to the gens Cassia, which produced several notable Roman figures. In later centuries, it was revived in the English-speaking world, partly due to its use in literature and its association with the African American activist Cassius Clay, who later took the name Muhammad Ali.
Where Cassius is most popular
Births per 100,000 boys by state. Press play or drag the slider to watch it move across the decades. The lightest shade means too few recorded births.
“Cassius” around the world
Where Cassius lands in the latest official birth statistics abroad, matched to the U.S. spelling.
France
5
babies in 2024
Sources: INSEE (France).
Nicknames & variants
Nicknames: Cash, Cass
Sibling names for Cassius
Names that share Cassius's style, for a brother or sister.
Sisters: Livia, Octavia, Cora, Julia, Aurelia, Lucretia, Idalia, Charmian, Druscilla, Quintessa, Aemilia, Galileah, Helia, Artemisia, Caliope, Emerita
Brothers: Lucius, Marius, Julius, Titus, Felix, Octavian, Tiberius, Hadrian, Maxximus, Thadeus, Caius, Cato, Cicero, Crixus, Denarius, Nero, Octavious, Othell, Cornellius, Danarius, Severus
