How Many People Are Named Efstathios?
An estimated 51 people in the United States have the first name Efstathios. It is almost exclusively a male name. The average bearer is 31 years old, and Efstathios peaked in popularity in 1972 with 8 births that year.
Below you will find a full statistical profile of Efstathios 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 Efstathios paired with any surname.
Key Insights
- Efstathios is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
51
About 1 in 6,720,673 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
31
years old
Peak Year
1972
8 births
Total Registered
53
since 1880
Gender Distribution for Efstathios
Efstathios is almost exclusively a male name. Out of 53 total births registered, 100.0% were male.
Efstathios as a male name
Ranked #11,152 in 2019
6 male births in 2019
Peak: 1972 (8 births)
Efstathios: Popularity Over Time
SSA records for Efstathios span from the 1970s to the 2010s, covering 4 decades of naming data. The most popular decade for this name was the 1970s, when 20 babies were registered. Efstathios has declined significantly from its peak in the 1970s. Recent registrations are a fraction of what they were at the name's height.
Efstathios by Decade
How has Efstathios 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.
Efstathios by State
Efstathios + Last Name Combinations
How many people share a full name with Efstathios as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Efstathios
Other first names starting with E with a similar number of bearers.
Efstathios: Questions and Answers
How many people in the U.S. are named Efstathios?
We estimate approximately 51 people named Efstathios 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 6,720,673 Americans share this first name.
Is Efstathios a common name?
Efstathios is classified as "Very Rare" and is more popular than 54.6% of all first names in the SSA database. A total of 53 births have been registered with this name since 1880.
When was Efstathios most popular?
Efstathios reached peak popularity in 1972, when 8 babies were given this name. The average age of a living person named Efstathios is approximately 31 years old, reflecting when the name was most commonly given.
Is Efstathios a male name?
Efstathios is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Efstathios Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Efstathios Smith, Efstathios Johnson, Efstathios 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.
Search for a full name combination