Castulo
Boy nameCastulo has been given to 116 babies in the U.S. since 1914. It peaked in 1924.
Popularity over time births per year, 1880–2025
Total babies
116
Peak year
1924 (9 babies)
Rank in 2025
Below top 1000
First recorded
1914
10-year trend
New / returning
Gender split
All boys
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Castulo.
Sibling name ideas for Castulo
Same era and popularity as Castulo, avoiding matching initials or rhymes.
FAQ
How popular is the name Castulo?
Castulo has been given to 116 babies in the U.S. since 1914. It ranked below the top 1000 in 2025.
When did the name Castulo peak?
Castulo peaked in 1924, when 9 babies were given the name.
Is Castulo a girl or boy name?
Castulo is primarily a boy name (100% of babies named Castulo are boys).
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