Castle
Boy nameCastle has been given to 385 babies in the U.S. since 1916. It peaked in 2018. In 2025, about 1 in 100,475 boys was named Castle.
Popularity over time births per year, 1880–2025
Total babies
385
Peak year
2018 (32 babies)
Rank in 2025
Below top 1000
First recorded
1916
10-year trend
▼ -37%
Gender split
All boys
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Castle.
Sibling name ideas for Castle
Same era and popularity as Castle, avoiding matching initials or rhymes.
FAQ
How popular is the name Castle?
Castle has been given to 385 babies in the U.S. since 1916. It ranked below the top 1000 in 2025.
When did the name Castle peak?
Castle peaked in 2018, when 32 babies were given the name.
Is Castle a girl or boy name?
Castle is primarily a boy name (100% of babies named Castle are boys).
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