Total births
1,418
Boys' name · since 1906
Ysidro
1,418 babies named Ysidro in U.S. Social Security records since 1906, with the highest year being 1922. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 1,418
- total births
- 1906–2025
- years on record
- 1920s
- peak decade
- 15%
- born in that decade
Ysidro is not among the current top-ranked boys names; 1,418 have been recorded since 1906.
Ysidro has 1,418 recorded births among boys since 1906, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1920s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1906 to 2025.
- 1,418 total births
- 1906–2025 years on record
- 1920s peak decade
- 15% born in that decade
Data updated Jun 2026
The verdict
1,418 boys have been named Ysidro since 1906, peaking in the 1920s, last recorded in 2025.
- 1,418
- total births
- 1906–2025
- years on record
- 1920s
- peak decade
- 15%
- born in that decade
1920s
Peak decade
15% of everyone ever named Ysidro was born in this single decade.
1922
Single peak year
36 babies were named Ysidro in 1922 - its busiest year on record.
Ysidro's usage pattern, beyond the headline number
Divide Ysidro's SSA record in two at 1963 and the more recent half accounts for 40% of all births, the earlier half the remaining 60%, consistent with a name more common in the past than in recent years. Its calmest year was 1978, with only 5 births recorded -- set against the 1922 peak of 36, that's the full swing in one name's fortunes.
Ysidro at a glance
Last recorded 2025Peak year
1922
Current rank
Unranked
Active since
1906
Ysidro popularity over time
Annual U.S. births registered with the Social Security Administration · 1906–2025
- Peak year (1922)
- 36
- Annual births at peak, across 120 years of records
Ysidro by decade
Total births in each ten-year window, peak vs trough at a glance
1920s was Ysidro's strongest decade.
218 babies received the name during that ten-year window, about 15% of all-time use.
Ysidro births by decade
Total births in each ten-year window
- 1900s 6
1900s
6 births
- 1910s
1910s
101 births
- 1920s
1920s
218 births
- 1930s
1930s
157 births
- 1940s
1940s
176 births
- 1950s
1950s
152 births
- 1960s
1960s
147 births
- 1970s
1970s
127 births
- 1980s
1980s
103 births
- 1990s
1990s
114 births
- 2000s 65
2000s
65 births
- 2010s 40
2010s
40 births
- 2020s 12
2020s
12 births
What this shows Peak: 1920s at 218 births (15% of all-time use).
How Ysidro 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 Ysidro's total volume
Ysidro vs 15 similarly-sized boys names
Ysidro by state
Where Ysidro concentrates geographically, total births since 1906
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Texas | | 525 | 37.0% |
| #2 | California | | 233 | 16.4% |
| #3 | Arizona | | 22 | 1.6% |
| #4 | New Mexico | | 17 | 1.2% |
Texas share of Ysidro's total US births 37.0%
Even split
525 of 1,418 births nationwide. Compared to a flat distribution across 4 reporting states.
Frequently Asked Questions
How popular is the name Ysidro? ▼
Ysidro has been given to 1,418 babies in the U.S. since 1906, according to SSA data. Its last appearance in the data was 2025. 36 babies were born in 1922, its single highest year.
When was Ysidro most popular? ▼
Ysidro was most popular in the 1920s decade with 218 total births. The single peak year was 1922.
Where is Ysidro most popular? ▼
The top states for the name Ysidro are Texas (525 births), California (233 births), Arizona (22 births).
How long has the name Ysidro been used? ▼
Records for Ysidro go back to 1906, giving 120 years of history through 2025.
What names are similar to Ysidro? ▼
Names with a similar sound or spelling include Ysidoro. These share a common prefix and are also used for boys.
What to do with Ysidro's data
- Ysidro's decade-level peak was the 1920s (218 total births); usage has since declined to 12 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Texas records the most Ysidros (525 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 Ysidro
Nearby Names Like Ysidro
Names with a similar sound, spelling, or feel to Ysidro
Compare Ysidro side by side: Ysidro vs Ysidoro
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, 1906–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Ysidro: Baby Name Since 1906 - 1,418 Births, Peak 1922." NameAlmanac. Accessed via https://namealmanac.com/name/ysidro. 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 Ysidro 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.