How Many People Are Named Ercilia?
An estimated 73 people in the United States have the first name Ercilia. It is almost exclusively a female name. The average bearer is 66 years old, and Ercilia peaked in popularity in 1944 with 11 births that year.
Below you will find a full statistical profile of Ercilia 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 Ercilia paired with any surname.
Key Insights
- With an average bearer age of 66, Ercilia is a vintage name most associated with earlier generations. Most living bearers were born before 1970.
- Ercilia is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
73
About 1 in 4,695,265 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
66
years old
Peak Year
1944
11 births
Total Registered
172
since 1880
Gender Distribution for Ercilia
Ercilia is almost exclusively a female name. Out of 172 total births registered, 100.0% were female.
Ercilia as a female name
Ranked #10,939 in 1993
7 female births in 1993
Peak: 1944 (11 births)
Ercilia: Popularity Over Time
SSA records for Ercilia span from the 1910s to the 1990s, covering 8 decades of naming data. The most popular decade for this name was the 1940s, when 40 babies were registered. Ercilia has declined significantly from its peak in the 1940s. Recent registrations are a fraction of what they were at the name's height.
Ercilia by Decade
How has Ercilia 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.
Ercilia by State
Ercilia + Last Name Combinations
How many people share a full name with Ercilia as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Ercilia
Other first names starting with E with a similar number of bearers.
Ercilia: Questions and Answers
How many people in the U.S. are named Ercilia?
We estimate approximately 73 people named Ercilia 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 4,695,265 Americans share this first name.
Is Ercilia a common name?
Ercilia is classified as "Very Rare" and is more popular than 60% of all first names in the SSA database. A total of 172 births have been registered with this name since 1880.
When was Ercilia most popular?
Ercilia reached peak popularity in 1944, when 11 babies were given this name. The average age of a living person named Ercilia is approximately 66 years old, reflecting when the name was most commonly given.
Is Ercilia a female name?
Ercilia is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Ercilia Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Ercilia Smith, Ercilia Johnson, Ercilia 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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