MallowbyNames

Kashius

KASH-ee-us · Variant spelling of Cassius, traditionally meaning 'hollow' or 'empty', but also possibly derived from Latin 'cassus' (vain, empty) or from a Roman family name of uncertain origin.

2025 rank (boys)
#5,399
Babies named in 2025
17
Peak popularity
2019
2025 frequency
1 in 100,475 boys
Usually for
Boys
Trend
Declining since 2020

Declining since 2020, #5,399 for boys today.

Popularity of Kashius since 2007

Babies named Kashius per year in U.S. Social Security records.

11233420102020Most births 2019Boys
Data table (by decade)
DecadeBoys
2000s20
2010s197
2020s151

Meaning & origin

Kashius is a modern respelling of the ancient Roman name Cassius, first recorded in U.S. data in 2007. The name reached its peak popularity in 2019, with a rank of 5,399 in 2025, and has been declining since 2020. With a 1-in-100,475 occurrence rate, Kashius remains a rare and distinctive choice. While it has no dominant state concentration, its sound and spelling align with contemporary trends favoring unique names with familiar roots.

Kashius is a modern spelling variant of Cassius, a Roman family name (gens Cassia) of uncertain meaning. It has been used as a given name since ancient times, notably by the Roman senator and conspirator Gaius Cassius Longinus. In modern times, the name gained some recognition through the 20th-century boxer Muhammad Ali, born Cassius Clay.

Nicknames & variants

Nicknames: Cash, Kash

Variants: Cassius, Kasius, Cashius

Sibling names for Kashius

Names that share Kashius's style, for a brother or sister.

Sisters: Juliet, Lydia, Mila, Nova, Zara

Brothers: Miles, Felix, Jasper, Silas, Ezra

A parent animal hugging its little one, the personalized name page

K is for Kashius, our favorite little boy.

K is for Kashius…”

In a Mallowby alphabet book, Kashius's letter becomes Kashius's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Kashius's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Kashius mean?
Kashius is a modern spelling variant of Cassius, a Latin name of uncertain meaning, possibly 'hollow' or 'empty'.
How popular is the name Kashius?
As of 2025, Kashius ranks 5,399 in the U.S., with approximately 1 in 100,475 newborn boys given this name.
Is Kashius a boy's name or a girl's name?
Kashius is predominantly used as a boy's name.