Cas
Boy nameCas has been given to 181 babies in the U.S. since 1881. It peaked in 2020.
Popularity over time births per year, 1880–2025
Total babies
181
Peak year
2020 (13 babies)
Rank in 2025
Below top 1000
First recorded
1881
10-year trend
▼ -100%
Gender split
All boys
Spellings & variants
Names one letter away from Cas — alternate spellings parents actually use.
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Cas.
Sibling name ideas for Cas
Same era and popularity as Cas, avoiding matching initials or rhymes.
FAQ
How popular is the name Cas?
Cas has been given to 181 babies in the U.S. since 1881. It ranked below the top 1000 in 2025.
When did the name Cas peak?
Cas peaked in 2020, when 13 babies were given the name.
Is Cas a girl or boy name?
Cas is primarily a boy name (100% of babies named Cas are boys).
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