How Many People Are Named Isidora?
An estimated 457 people in the United States have the first name Isidora. It is almost exclusively a female name. The average bearer is 16 years old, and Isidora peaked in popularity in 2023 with 28 births that year.
Below you will find a full statistical profile of Isidora 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 Isidora paired with any surname.
Estimated Living Americans
457
About 1 in 750,009 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
16
years old
Peak Year
2023
28 births
Total Registered
613
since 1880
Gender Distribution for Isidora
Isidora is almost exclusively a female name. Out of 613 total births registered, 100.0% were female.
Isidora as a female name
Ranked #5,188 in 2024
25 female births in 2024
Peak: 2023 (28 births)
Isidora: Popularity Over Time
SSA records for Isidora span from the 1900s to the 2020s, covering 10 decades of naming data. The most popular decade for this name was the 2010s, when 172 babies were registered. While Isidora is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Isidora by Decade
How has Isidora 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.
Isidora by State
Birth registrations for Isidora span all 3 states and territories in the SSA database. The highest counts are in Texas, California, New York. The lowest are in New York, California, Texas. On average, about 22 Isidoras were registered per state.
Isidora + Last Name Combinations
How many people share a full name with Isidora as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Isidora
Other first names starting with I with a similar number of bearers.
Isidora: Questions and Answers
How many people in the U.S. are named Isidora?
We estimate approximately 457 people named Isidora 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 750,009 Americans share this first name.
Is Isidora a common name?
Isidora is classified as "Very Rare" and is more popular than 83.7% of all first names in the SSA database. A total of 613 births have been registered with this name since 1880.
When was Isidora most popular?
Isidora reached peak popularity in 2023, when 28 babies were given this name. The average age of a living person named Isidora is approximately 16 years old, reflecting when the name was most commonly given.
Is Isidora a female name?
Isidora is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Isidora Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Isidora Smith, Isidora Johnson, Isidora 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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