How Many People Are Named Ysidro?
An estimated 809 people in the United States have the first name Ysidro. It is almost exclusively a male name. The average bearer is 53 years old, and Ysidro peaked in popularity in 1922 with 36 births that year.
Below you will find a full statistical profile of Ysidro as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Ysidro paired with any surname.
Estimated Living Americans
809
About 1 in 423,677 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
53
years old
Peak Year
1922
36 births
Total Registered
1,412
since 1880
Gender Distribution for Ysidro
Ysidro is almost exclusively a male name. Out of 1,412 total births registered, 100.0% were male.
Ysidro as a male name
Ranked #11,972 in 2020
6 male births in 2020
Peak: 1922 (36 births)
Ysidro: Popularity Over Time
SSA records for Ysidro span from the 1900s to the 2020s, covering 13 decades of naming data. The most popular decade for this name was the 1920s, when 218 babies were registered. Ysidro has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Ysidro by Decade
How has Ysidro tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Ysidro by State
Birth registrations for Ysidro span all 4 states and territories in the SSA database. The highest counts are in Texas, California, Arizona. The lowest are in New Mexico, Arizona, California. On average, about 199 Ysidros were registered per state.
Ysidro + Last Name Combinations
How many people share a full name with Ysidro as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Ysidro
Other first names starting with Y with a similar number of bearers.
Ysidro: Questions and Answers
How many people in the U.S. are named Ysidro?
We estimate approximately 809 people named Ysidro are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 423,677 Americans share this first name.
Is Ysidro a common name?
Ysidro is classified as "Very Rare" and is more popular than 88.6% of all first names in the SSA database. A total of 1,412 births have been registered with this name since 1880.
When was Ysidro most popular?
Ysidro reached peak popularity in 1922, when 36 babies were given this name. The average age of a living person named Ysidro is approximately 53 years old, reflecting when the name was most commonly given.
Is Ysidro a male name?
Ysidro is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Ysidro Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Ysidro Smith, Ysidro Johnson, Ysidro Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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