Total births
385
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.
- #4219
- among boys today
- 385
- born since 1916
- 2010s
- peak decade
- 70%
- more common than other boys
Yes -- Castle is the #4219 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 #4219 as of the latest data, more common than 70% 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.
- #4219 among boys today
- 385 born since 1916
- 2010s peak decade
- 70% more common than other boys
Data updated Jun 2026
The verdict
Castle is currently the #4219 boys' name in America, more common than 70% of boys - 385 born since 1916, peaking in the 2010s.
- #4219
- among boys today
- 385
- born since 1916
- 2010s
- peak decade
- 70%
- more common than other boys
Castle vs. every other boys name in current SSA rankings
#4219
of 14,294 boys in use
More common than 70% of names given to boys today.
2010s
Peak decade
51% of everyone ever named Castle was born in this single decade.
2018
Single peak year
32 babies were named Castle in 2018 - its busiest year on record.
How Castle compares
385 Top 49% higher than 51% of 14,294 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 5% above the median boys name, and Liam still leads by a wide margin.
| Metric | Castle | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 385 | 367 | 358,536 |
| Peak-year births | 32 | 23 | 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 at a glance
Outside the top 1,000Peak year
2018
Current rank
#4,219
Active since
1916
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
Total births in each ten-year window, peak vs trough at a glance
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
How popular is the name Castle? ▼
385 babies have been named Castle since 1916. It currently ranks #4219 among boys. The peak year was 2018 with 32 births.
When was Castle most popular? ▼
Castle was most popular in the 2010s decade with 197 total births. The single peak year was 2018.
How long has the name Castle been used? ▼
Castle has been recorded in Social Security data since 1916, spanning 110 years of data through 2025.
What names are similar to Castle? ▼
Names with a similar sound or spelling include Casey, Cash, Cason, Case, and 4 more. These share a common prefix and are also used for boys.
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.
- Weighing it against an alternative? Put two names side by side. Compare names
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
Casey Boy
#311 116,675 births
Cash Boy
#316 27,705 births
Cason Boy
#856 11,308 births
Case Boy
#724 9,926 births
Cassius Boy
#569 9,736 births
Compare Castle side by side: Castle vs Casey Castle vs Cash Castle vs Cason
Related Names
Names with a similar popularity rank to Castle
Erlin #4218
362 births · Peak 2022
Javan #4220
3,593 births · Peak 2004
Shaw #4217
1,336 births · Peak 2020
Dimas #4221
1,834 births · Peak 1996
Chadwick #4216
13,276 births · Peak 1975
Norberto #4222
4,924 births · Peak 1981
Ritchie #4215
4,120 births · Peak 1964
Iziah #4223
1,332 births · Peak 2008
Data Sources
Data as of June 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).
Cite this page
NameAlmanac Editorial. "Castle: #4219 Boys' Name - 385 Births, Peak 2018." NameAlmanac. Accessed via https://namealmanac.com/name/castle. Licensed CC BY-SA 4.0.
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 June 2026.