How Many People Are Named Olegario?
An estimated 334 people in the United States have the first name Olegario. It is almost exclusively a male name. The average bearer is 37 years old, and Olegario peaked in popularity in 1981 with 13 births that year.
Below you will find a full statistical profile of Olegario 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 Olegario paired with any surname.
Estimated Living Americans
334
About 1 in 1,026,211 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
37
years old
Peak Year
1981
13 births
Total Registered
408
since 1880
Gender Distribution for Olegario
Olegario is almost exclusively a male name. Out of 408 total births registered, 100.0% were male.
Olegario as a male name
Ranked #11,863 in 2023
6 male births in 2023
Peak: 1981 (13 births)
Olegario: Popularity Over Time
SSA records for Olegario span from the 1920s to the 2020s, covering 11 decades of naming data. The most popular decade for this name was the 1990s, when 83 babies were registered. Olegario has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Olegario by Decade
How has Olegario 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.
Olegario by State
Olegario + Last Name Combinations
How many people share a full name with Olegario as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Olegario
Other first names starting with O with a similar number of bearers.
Olegario: Questions and Answers
How many people in the U.S. are named Olegario?
We estimate approximately 334 people named Olegario 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 1,026,211 Americans share this first name.
Is Olegario a common name?
Olegario is classified as "Very Rare" and is more popular than 80.4% of all first names in the SSA database. A total of 408 births have been registered with this name since 1880.
When was Olegario most popular?
Olegario reached peak popularity in 1981, when 13 babies were given this name. The average age of a living person named Olegario is approximately 37 years old, reflecting when the name was most commonly given.
Is Olegario a male name?
Olegario is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Olegario Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Olegario Smith, Olegario Johnson, Olegario 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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