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.
- #16,414 of 45,481
- all-time among boys
- 116
- born since 1914
- 1920s
- peak 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.
- #16,414 of 45,481 all-time among boys
- 116 born since 1914
- 1920s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Castulo ranks #16,414 of 45,481 boys' names by all-time recorded births (highest first). 116 born since 1914, peaking in the 1920s.
- #16,414 of 45,481
- all-time among boys
- 116
- born since 1914
- 1920s
- peak decade
Castulo's 116 recorded births place it above 63.81% of the 45,481 boys names in the full SSA archive.
The state file records this name in 1 jurisdictions, led by Texas.
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 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
1920s is the heaviest window (43 births, 37% of the file).
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% |
39 of 116 births nationwide.
Frequently Asked Questions
How popular is the name Castulo? ▼
Where does Castulo sit in the SSA name archive? ▼
When was Castulo most popular? ▼
Where is Castulo most popular? ▼
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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
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
Compare Castulo side by side: Castulo vs Casey Castulo vs Cash Castulo vs Cason
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Castulo: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1924)
Similar record span (~104 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, 1914–2018 (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 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 August 2026.