Tools / Baby names / C
Castle
BoyMeaning of Castle: English: 'fortress'
Castle is a boy's name most strongly associated with English naming. It has 6 letters and 2 syllables, and it is familiar but far from overused — 5208th most popular boys' name in the United States in 2025.
US rank 2025
#5208
17 babies in 2025
England & Wales 2024
—
Fewer than 3 babies or unlisted
US babies since 1880
385
First recorded 1916 · peak 2018
Trend
stable
Style: uncommon
Popularity over time
Gender split
100% boys · 0% girls, based on US, UK and international usage.
Origins & cultures
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