Cap
Boy nameCap has been given to 104 babies in the U.S. since 1881. It peaked in 1885.
Popularity over time births per year, 1880–2025
Total babies
104
Peak year
1885 (9 babies)
Rank in 2025
Below top 1000
First recorded
1881
10-year trend
New / returning
Gender split
All boys
Spellings & variants
Names one letter away from Cap — alternate spellings parents actually use.
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Cap.
Sibling name ideas for Cap
Same era and popularity as Cap, avoiding matching initials or rhymes.
FAQ
How popular is the name Cap?
Cap has been given to 104 babies in the U.S. since 1881. It ranked below the top 1000 in 2025.
When did the name Cap peak?
Cap peaked in 1885, when 9 babies were given the name.
Is Cap a girl or boy name?
Cap is primarily a boy name (100% of babies named Cap are boys).
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