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.

#4,110 of 45,481
all-time among boys
#10,750 of 13,930
2025 SSA year
1,418
born since 1906
1920s
peak decade

Yes -- Ysidro is the #10750 most popular boys' name in the U.S. today, with 1,418 recorded since 1906.

Ysidro has 1,418 recorded births among boys since 1906, per the U.S. Social Security Administration, ranked #10750 as of the latest data, more common than 23% of boys, 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.

  • #4,110 of 45,481 all-time among boys
  • #10,750 of 13,930 2025 SSA year
  • 1,418 born since 1906
  • 1920s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Ysidro ranks #4,110 of 45,481 boys' names by all-time recorded births (highest first) and #10,750 of 13,930 among boys' names in 2025. 1,418 born since 1906, peaking in the 1920s.

#4,110 of 45,481
all-time among boys
#10,750 of 13,930
2025 SSA year
1,418
born since 1906
1920s
peak decade
0%100%Median name50%22.8%
Ysidro vs. every other boys name in current SSA rankings
Above the archive median
All-time archive position

Ysidro's 1,418 recorded births place it above 90.96% of the 45,481 boys names in the full SSA archive.

4 jurisdictions
State-record footprint

The state file records this name in 4 jurisdictions, led by Texas.

How Ysidro compares

1,418 Top 26% higher than 74% of 13,930 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

Ysidro's all-time total is 4x the median boys name, and Liam still leads by a wide margin.

Metric Ysidro Median boys name (Takari) #1 boys name (Liam)
All-time total births 1,418 369 358,536
Peak-year births 36 34 22,252

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 popularity over time

Annual U.S. births registered with the Social Security Administration · 1906–2025

Outside the top 1,000
Peak year (1922)
36
Annual births at peak, across 120 years of records
010203040 190619241938195219661980199520102025 6

Ysidro by decade

1920s is the heaviest window (218 births, 15% of the file).

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

births

What this shows Peak: 1920s at 218 births (15% of all-time use).

Source U.S. Social Security Administration · Baby Names As of August 2026

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 Scatter plot of 16 data points. 0%5%10%15% 050100150 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year -53, 3.9%-64, 5.1%-112, 2.5%-56, 5.6%-32, 6.9%-52, 6.8%-37, 11.9%-124, 2.3%-39, 7%-31, 9.9%-39, 6.1%-23, 7.3%-45, 4.6%-66, 6.1%-58, 3.3%Ysidro-120, 2.5%Ysidro
Ysidro vs 15 similarly-sized boys names

Ysidro by state

Where Ysidro concentrates geographically, total births since 1906

Regionally concentrated
Top 4 states by recorded births for the name Ysidro
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 archive ordinal is #4,110 of 45,481 among boys' names (total births, highest first). Among boys in 2025, it is #10,750 of 13,930. 36 babies were born in 1922, its single highest year.
Where does Ysidro sit in the SSA name archive? ▼
According to the U.S. Social Security Administration, Ysidro ranks #4,110 of 45,481 boys' names by all-time recorded births (highest first) and #10,750 of 13,930 among boys' names in 2025. All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the 2025 SSA file. See /methodology#corpus-placement.
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

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

Ysidoro Boy
35 births

Compare Ysidro side by side: Ysidro vs Ysidoro

Or pick any two names to compare →

Related Names

Names with a similar popularity rank to Ysidro

Maston #10749
241 births · Peak 1922
Anselmo #10751
2,748 births · Peak 1990
Eligh #10748
1,019 births · Peak 2014
Merlyn #10752
3,410 births · Peak 1930
Kennith #10747
10,560 births · Peak 1956
Nunzio #10753
1,838 births · Peak 1923
Selwyn #10746
1,408 births · Peak 1961
Aldrich #10754
614 births · Peak 2017

Nationwide names with similar peak year or record span

Two nationwide peer axes for Ysidro: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

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, 1906–2025 (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 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 August 2026.