Boys' name · since 1913
Isidoro
Isidoro has 1,292 recorded births since 1913 in federal Social Security data, most heavily in 1929 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #4,365 of 45,481
- all-time among boys
- 1,292
- born since 1913
- 1990s
- peak decade
Isidoro sits outside today's top ranks for boys, with 1,292 recorded since 1913.
According to the U.S. Social Security Administration, Isidoro has been recorded 1,292 times among boys since 1913, though it is not among the currently most-used boys names, with its heaviest use in the 1990s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1913 to 2023.
- #4,365 of 45,481 all-time among boys
- 1,292 born since 1913
- 1990s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Isidoro ranks #4,365 of 45,481 boys' names by all-time recorded births (highest first). 1,292 born since 1913, peaking in the 1990s.
- #4,365 of 45,481
- all-time among boys
- 1,292
- born since 1913
- 1990s
- peak decade
Isidoro's 1,292 recorded births place it above 90.4% of the 45,481 boys names in the full SSA archive.
The state file records this name in 5 jurisdictions, led by Texas.
Isidoro's usage pattern, beyond the headline number
Splitting Isidoro's full recorded timeline at 1966, 52% of its total births fall in the more recent half of the record versus 48% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1913, with just 5 recorded births -- worth weighing against the 1929 peak of 24 to see the full range of the name's swing in popularity.
Isidoro popularity over time
Annual U.S. births registered with the Social Security Administration · 1913–2023
- Peak year (1929)
- 24
- Annual births at peak, across 111 years of records
Isidoro by decade
1990s is the heaviest window (157 births, 12% of the file).
1990s was Isidoro's strongest decade.
157 babies received the name during that ten-year window, about 12% of all-time use.
Isidoro births by decade
Total births in each ten-year window
- 1910s 45
1910s
45 births
- 1920s
1920s
131 births
- 1930s
1930s
123 births
- 1940s
1940s
112 births
- 1950s
1950s
143 births
- 1960s
1960s
119 births
- 1970s
1970s
144 births
- 1980s
1980s
151 births
- 1990s
1990s
157 births
- 2000s
2000s
111 births
- 2010s 34
2010s
34 births
- 2020s 22
2020s
22 births
What this shows Peak: 1990s at 157 births (12% of all-time use).
How Isidoro compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Isidoro's total volume
Isidoro by state
Where Isidoro concentrates geographically, total births since 1913
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Texas | | 424 | 32.8% |
| #2 | California | | 140 | 10.8% |
| #3 | New Mexico | | 11 | 0.9% |
| #4 | Illinois | | 5 | 0.4% |
| #5 | New York | | 5 | 0.4% |
424 of 1,292 births nationwide. Compared to a flat distribution across 5 reporting states.
Frequently Asked Questions
How popular is the name Isidoro? ▼
Where does Isidoro sit in the SSA name archive? ▼
When was Isidoro most popular? ▼
Where is Isidoro most popular? ▼
How long has the name Isidoro been used? ▼
What names are similar to Isidoro? ▼
What to do with Isidoro's data
- Isidoro's decade-level peak was the 1990s (157 total births); usage has since declined to 22 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Texas records the most Isidoros (424 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 Isidoro
Nearby Names Like Isidoro
Names with a similar sound, spelling, or feel to Isidoro
Compare Isidoro side by side: Isidoro vs Isiah Isidoro vs Isidro Isidoro vs Isidore
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Isidoro: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1929)
Similar record span (~110 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, 1913–2023 (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 Isidoro 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.