Cassius is a Latin name that means hollow. It is derived from the Latin word cassus, which means empty or hollow. The name Cassius has been in use since ancient times and was popularized by the Roman family of the same name. The most famous bearer of the name Cassius is probably Cassius Clay, the birth name of the boxer Muhammad Ali. Cassius is also the name of a character in William Shakespeare's play Julius Caesar. In the play, Cassius is a conspirator who helps to plot the assassination of Julius Caesar. The name Cassius has been used in various forms of media, such as in the novel The Catcher in the Rye by J.D. Salinger, where the protagonist Holden Caulfield mentions that he wishes his name was Cassius. Cassius is also the name of a genus of butterflies in the family Lycaenidae. In addition to its association with Muhammad Ali, the name Cassius has been linked to several other notable figures throughout history, including a Roman general, a saint, and a poet. Despite its ancient origins, the name Cassius has a modern and edgy feel, making it a popular choice for parents looking for a unique and meaningful name for their child.

The root form of Cassius is Cassius — meaning Empty.

Cassius remains a beloved choice, ranking #14 in the US. Timeless appeal across cultures and generations.