Boys' name · since 1916
Castle
Castle has 385 recorded births since 1916 in federal Social Security data, most heavily in 2018 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #9,218 of 45,481
- all-time among boys
- #5,426 of 13,930
- 2025 SSA year
- 385
- born since 1916
- 2010s
- peak decade
Yes -- Castle is the #5426 most popular boys' name in the U.S. today, with 385 recorded since 1916.
Castle has 385 recorded births among boys since 1916, per the U.S. Social Security Administration, ranked #5426 as of the latest data, more common than 61% of boys, busiest in the 2010s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1916 to 2025.
- #9,218 of 45,481 all-time among boys
- #5,426 of 13,930 2025 SSA year
- 385 born since 1916
- 2010s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Castle ranks #9,218 of 45,481 boys' names by all-time recorded births (highest first) and #5,426 of 13,930 among boys' names in 2025. 385 born since 1916, peaking in the 2010s.
- #9,218 of 45,481
- all-time among boys
- #5,426 of 13,930
- 2025 SSA year
- 385
- born since 1916
- 2010s
- peak decade
Castle's 385 recorded births place it above 79.7% of the 45,481 boys names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
How Castle compares
385 Top 50% higher than 50% of 13,930 names currently given to boys
Based on all-time total births among currently-ranked boys names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Castle's all-time total is 4% above the median boys name, and Liam still leads by a wide margin.
| Metric | Castle | Median boys name (Takari) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 385 | 369 | 358,536 |
| Peak-year births | 32 | 34 | 22,252 |
Castle's usage pattern, beyond the headline number
Divide Castle's SSA record in two at 2012 and the more recent half accounts for 75% of all births, the earlier half the remaining 25%, consistent with a name still gaining ground rather than fading. Its calmest year was 1916, with only 5 births recorded -- set against the 2018 peak of 32, that's the full swing in one name's fortunes.
Castle popularity over time
Annual U.S. births registered with the Social Security Administration · 1916–2025
- Peak year (2018)
- 32
- Annual births at peak, across 110 years of records
Castle by decade
2010s is the heaviest window (197 births, 51% of the file).
2010s was Castle's strongest decade.
197 babies received the name during that ten-year window, about 51% of all-time use.
Castle births by decade
Total births in each ten-year window
- 1910s 10
1910s
10 births
- 1920s 7
1920s
7 births
- 1930s 5
1930s
5 births
- 1960s 5
1960s
5 births
- 1990s 10
1990s
10 births
- 2000s 29
2000s
29 births
- 2010s
2010s
197 births
- 2020s
2020s
122 births
What this shows Peak: 2010s at 197 births (51% of all-time use).
Frequently Asked Questions
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What to do with Castle's data
- Castle's usage has stayed within range of its 2010s decade-level peak (197 total births) through the 2020s (122) -- a comparatively stable name, not a fading trend.
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Castle
Nearby Names Like Castle
Names with a similar sound, spelling, or feel to Castle
Compare Castle side by side: Castle vs Casey Castle vs Cash Castle vs Cason
Related Names
Names with a similar popularity rank to Castle
Nationwide names with similar peak year or record span
Two nationwide peer axes for Castle: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2018)
Similar record span (~109 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1916–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Castle draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.