How Many People Are Named Ersilia?
An estimated 8 people in the United States have the first name Ersilia. It is almost exclusively a female name. The average bearer is 85 years old, and Ersilia peaked in popularity in 1918 with 8 births that year.
Below you will find a full statistical profile of Ersilia 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 Ersilia paired with any surname.
Key Insights
- With an average bearer age of 85, Ersilia is a vintage name most associated with earlier generations. Most living bearers were born before 1951.
- Ersilia is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
8
About 1 in 42,844,292 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
85
years old
Peak Year
1918
8 births
Total Registered
82
since 1880
Gender Distribution for Ersilia
Ersilia is almost exclusively a female name. Out of 82 total births registered, 100.0% were female.
Ersilia as a female name
Ranked #6,121 in 1955
5 female births in 1955
Peak: 1918 (8 births)
Ersilia: Popularity Over Time
SSA records for Ersilia span from the 1900s to the 1950s, covering 5 decades of naming data. The most popular decade for this name was the 1920s, when 37 babies were registered. Ersilia has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Ersilia by Decade
How has Ersilia 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.
Ersilia by State
Ersilia + Last Name Combinations
How many people share a full name with Ersilia as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Ersilia
Other first names starting with E with a similar number of bearers.
Ersilia: Questions and Answers
How many people in the U.S. are named Ersilia?
We estimate approximately 8 people named Ersilia 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 42,844,292 Americans share this first name.
Is Ersilia a common name?
Ersilia is classified as "Very Rare" and is more popular than 24.6% of all first names in the SSA database. A total of 82 births have been registered with this name since 1880.
When was Ersilia most popular?
Ersilia reached peak popularity in 1918, when 8 babies were given this name. The average age of a living person named Ersilia is approximately 85 years old, reflecting when the name was most commonly given.
Is Ersilia a female name?
Ersilia is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Ersilia Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Ersilia Smith, Ersilia Johnson, Ersilia 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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