Castle
Meaningcastle · English
- US rank
- #5,399
- Syllables
- 2
- Peak
- #3,446 in 2018
17 babies were named Castle in the US in 2025. It has dropped 1,258 places in five years.
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US births per million boys, 1916–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Castle you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 100,000 baby boys born in the US in 2025 was named Castle, 17 babies in all. In a typical school of 500 kids, your Castle would very likely be the only one.
- HistoryCastle first shows up in US birth records in 1916, the first year at least 5 babies got it. It has been in use for 109 years since.
- Best yearIts best year was 2018, when it reached #3,446.
- Then vs nowCastle is 3.2× more common today than it was in 2000. In 2000 it was given to about 1 in 322,581 baby boys; in 2025, about 1 in 100,000.
- TrendCastle has slipped 1,258 places over the last five years and now sits at #5,399. Good news if you want a familiar name that fewer kids will share.
- MeaningIn English, Castle means “castle”.
About the name Castle
Castle is a boy name of Latin origin meaning “castle”. It has 6 letters and 2 syllables, starting with C and ending in “-tle”. US birth records list Castle for boys from 1916 to 2025, in 28 of those 110 years. Its best year was 2018, when it ranked #3,446 among boy names. In 2025 it ranked #5,399, with 17 babies.
Origin:Latin names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1910s | 2.7 | 373,832 boys |
| 1920s | 0.7 | 1,515,152 boys |
| 1930s | 0.5 | 2,000,000 boys |
| 1960s | 0.3 | 4,000,000 boys |
| 1990s | 0.5 | 1,923,077 boys |
| 2000s | 1.4 | 694,444 boys |
| 2010s | 11 | 95,147 boys |
| 2020s | 12 | 84,986 boys |
More Latin boy names
- Boy name: Oliver · olive tree
- Boy name: Theodore · gift of God
- Boy name: Lucas · man from Lucania
- Unisex name: Elias · my God is Yahweh
- Unisex name: Luca · man from Lucania
- Boy name: Sebastian · venerable
- Boy name: Leo · lion
- Boy name: Alexander · defender of men
Questions about the name Castle
What does the name Castle mean?
Castle means “castle” in English.
What is the origin of the name Castle?
Castle has Latin roots in our records. Other Latin names include Oliver, Theodore, Lucas.
Is Castle a boy or girl name?
Castle is a boy name.
How popular is the name Castle?
Castle ranked #5,399 for US boys in 2025, given to 17 babies. Its best year was 2018 (#3,446).