Casius
Boy nameCasius has been given to 42 babies in the U.S. since 2008. It peaked in 2020.
Popularity over time births per year, 1880–2025
Total babies
42
Peak year
2020 (7 babies)
Rank in 2025
Below top 1000
First recorded
2008
10-year trend
▼ -100%
Gender split
All boys
Spellings & variants
Names one letter away from Casius — alternate spellings parents actually use.
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Casius.
Sibling name ideas for Casius
Same era and popularity as Casius, avoiding matching initials or rhymes.
FAQ
How popular is the name Casius?
Casius has been given to 42 babies in the U.S. since 2008. It ranked below the top 1000 in 2025.
When did the name Casius peak?
Casius peaked in 2020, when 7 babies were given the name.
Is Casius a girl or boy name?
Casius is primarily a boy name (100% of babies named Casius are boys).
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