MallowbyNames

Cashius

KASH-ee-us · Of uncertain origin; possibly a variant of Cassius, which may mean 'hollow' or 'vain' in Latin, or derived from the Roman family name Cassius.

2025 rank (boys)
#5,045
Babies named in 2025
19
Peak popularity
2020
2025 frequency
1 in 89,899 boys
Usually for
Boys
Trend
Declining since 2020

Declining since 2020, #5,045 for boys today.

Popularity of Cashius since 2003

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

10213120102020Most births 2020Boys
Data table (by decade)
DecadeBoys
2000s78
2010s216
2020s138

Meaning & origin

Cashius is a modern spelling variant of the ancient Roman name Cassius, first recorded in the United States in 2003. While its meaning is uncertain, the name has seen modest use, reaching a peak rank of 5,045 in 2020. Since then, its popularity has been falling, with about 1 in 89,899 boys receiving the name in 2025. Unlike some other creative spellings, Cashius remains relatively rare and has no recorded top states of use.

Cashius is a modern spelling variant of Cassius, an ancient Roman family name of uncertain etymology. It may derive from Latin 'cassus' meaning 'empty' or 'vain'. In English-speaking countries, the name has been used since the 20th century, often as a creative respelling inspired by Cassius or similar-sounding names.

Nicknames & variants

Nicknames: Cash, Cas

Variants: Cassius, Kasius, Cashus

Sibling names for Cashius

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

Sisters: Maeve, Juniper, Cora, Lydia, Sage

Brothers: Jasper, Felix, Silas, Atticus, Finn

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

C is for Cashius, our favorite little boy.

C is for Cashius…”

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

Make Cashius's book

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

Questions parents ask

What does the name Cashius mean?
The meaning of Cashius is uncertain. It is a variant of Cassius, which may mean 'hollow' or 'vain' in Latin.
How popular is Cashius?
As of 2025, Cashius ranked 5,045th in the United States, with about 1 in 89,899 boys given the name that year. Its peak popularity was in 2020.
Is Cashius a boy's name?
Yes, Cashius is predominantly used as a boy's name.