How Many People Are Named Isador?
An estimated 15 people in the United States have the first name Isador. It is almost exclusively a male name. The average bearer is 63 years old, and Isador peaked in popularity in 1915 with 14 births that year.
Below you will find a full statistical profile of Isador 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 Isador paired with any surname.
Key Insights
- Isador is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
15
About 1 in 22,850,289 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
63
years old
Peak Year
1915
14 births
Total Registered
182
since 1880
Gender Distribution for Isador
Isador is almost exclusively a male name. Out of 182 total births registered, 100.0% were male.
Isador as a male name
Ranked #12,978 in 2024
5 male births in 2024
Peak: 1915 (14 births)
Isador: Popularity Over Time
SSA records for Isador span from the 1890s to the 2020s, covering 7 decades of naming data. The most popular decade for this name was the 1910s, when 92 babies were registered. Isador has declined significantly from its peak in the 1910s. Recent registrations are a fraction of what they were at the name's height.
Isador by Decade
How has Isador 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.
Isador + Last Name Combinations
How many people share a full name with Isador as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Isador
Other first names starting with I with a similar number of bearers.
Isador: Questions and Answers
How many people in the U.S. are named Isador?
We estimate approximately 15 people named Isador 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 22,850,289 Americans share this first name.
Is Isador a common name?
Isador is classified as "Very Rare" and is more popular than 35.3% of all first names in the SSA database. A total of 182 births have been registered with this name since 1880.
When was Isador most popular?
Isador reached peak popularity in 1915, when 14 babies were given this name. The average age of a living person named Isador is approximately 63 years old, reflecting when the name was most commonly given.
Is Isador a male name?
Isador is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Isador Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Isador Smith, Isador Johnson, Isador 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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