How Many People Are Named Eustace?
An estimated 262 people in the United States have the first name Eustace. It is almost exclusively a male name. The average bearer is 49 years old, and Eustace peaked in popularity in 1921 with 29 births that year.
Below you will find a full statistical profile of Eustace 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 Eustace paired with any surname.
Estimated Living Americans
262
About 1 in 1,308,223 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
49
years old
Peak Year
1921
29 births
Total Registered
706
since 1880
Gender Distribution for Eustace
Eustace is almost exclusively a male name. Out of 706 total births registered, 100.0% were male.
Eustace as a male name
Ranked #10,174 in 2024
7 male births in 2024
Peak: 1921 (29 births)
Eustace: Popularity Over Time
SSA records for Eustace span from the 1880s to the 2020s, covering 14 decades of naming data. The most popular decade for this name was the 1920s, when 184 babies were registered. Eustace has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Eustace by Decade
How has Eustace 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.
Eustace + Last Name Combinations
How many people share a full name with Eustace as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Eustace
Other first names starting with E with a similar number of bearers.
Eustace: Questions and Answers
How many people in the U.S. are named Eustace?
We estimate approximately 262 people named Eustace 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 1,308,223 Americans share this first name.
Is Eustace a common name?
Eustace is classified as "Very Rare" and is more popular than 77.7% of all first names in the SSA database. A total of 706 births have been registered with this name since 1880.
When was Eustace most popular?
Eustace reached peak popularity in 1921, when 29 babies were given this name. The average age of a living person named Eustace is approximately 49 years old, reflecting when the name was most commonly given.
Is Eustace a male name?
Eustace is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Eustace Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Eustace Smith, Eustace Johnson, Eustace 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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