Total births
116
Boys' name · since 1914
Castulo
Castulo has 116 recorded births since 1914 in federal Social Security data, most heavily in 1924 -- full year-by-year trend, decade aggregates, and state rankings follow.
- 116
- total births
- 1914–2018
- years on record
- 1920s
- peak decade
- 37%
- born in that decade
116 boys have been named Castulo since 1914, though it isn't currently a top-ranked name.
According to the U.S. Social Security Administration, Castulo has been recorded 116 times among boys since 1914, though it is not among the currently most-used boys names, with its heaviest use in the 1920s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1914 to 2018.
- 116 total births
- 1914–2018 years on record
- 1920s peak decade
- 37% born in that decade
Data updated Jun 2026
The verdict
116 boys have been named Castulo since 1914, peaking in the 1920s, last recorded in 2018.
- 116
- total births
- 1914–2018
- years on record
- 1920s
- peak decade
- 37%
- born in that decade
1920s
Peak decade
37% of everyone ever named Castulo was born in this single decade.
1924
Single peak year
9 babies were named Castulo in 1924 - its busiest year on record.
Castulo's usage pattern, beyond the headline number
Castulo splits its recorded history at 1942: 47% of all births land in the more recent half, 53% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1920 (5 births) -- compare that against the 1924 peak of 9 for a sense of just how much the name's popularity has swung.
Castulo at a glance
Last recorded 2018Peak year
1924
Current rank
Unranked
Active since
1914
Castulo popularity over time
Annual U.S. births registered with the Social Security Administration · 1914–2018
- Peak year (1924)
- 9
- Annual births at peak, across 105 years of records
Castulo by decade
Total births in each ten-year window, peak vs trough at a glance
1920s was Castulo's strongest decade.
43 babies received the name during that ten-year window, about 37% of all-time use.
Castulo births by decade
Total births in each ten-year window
- 1910s 7
1910s
7 births
- 1920s
1920s
43 births
- 1930s 11
1930s
11 births
- 1940s
1940s
21 births
- 1950s 10
1950s
10 births
- 1960s 6
1960s
6 births
- 1970s 5
1970s
5 births
- 1990s 8
1990s
8 births
- 2010s 5
2010s
5 births
What this shows Peak: 1920s at 43 births (37% of all-time use).
Castulo by state
Where Castulo concentrates geographically, total births since 1914
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Texas | | 39 | 33.6% |
Texas share of Castulo's total US births 33.6%
39 of 116 births nationwide.
Frequently Asked Questions
How popular is the name Castulo? ▼
Since 1914, Social Security records show 116 babies named Castulo. The most recent recorded year was 2018. Its busiest year on record was 1924, with 9 births.
When was Castulo most popular? ▼
Castulo was most popular in the 1920s decade with 43 total births. The single peak year was 1924.
Where is Castulo most popular? ▼
The top states for the name Castulo are Texas (39 births).
How long has the name Castulo been used? ▼
Records for Castulo go back to 1914, giving 105 years of history through 2018.
What names are similar to Castulo? ▼
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 Castulo's data
- Castulo's decade-level peak was the 1920s (43 total births); usage has since declined to 5 in the 2010s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Texas records the most Castulos (39 births) -- see the full state breakdown if geography matters to your decision. Texas names
- 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 Castulo
Nearby Names Like Castulo
Names with a similar sound, spelling, or feel to Castulo
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 Castulo side by side: Castulo vs Casey Castulo vs Cash Castulo vs Cason
Related Names
Names with a similar number of total births
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, 1914–2018 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Castulo: Baby Name Since 1914 - 116 Births, Peak 1924." NameAlmanac. Accessed via https://namealmanac.com/name/castulo. 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 Castulo 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.