How Many People Are Named Oley?
An estimated 91 people in the United States have the first name Oley. It is predominantly male (98.7%). The average bearer is 78 years old, and Oley peaked in popularity in 1922 with 15 births that year.
Below you will find a full statistical profile of Oley 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 Oley paired with any surname.
Key Insights
- With an average bearer age of 78, Oley is a vintage name most associated with earlier generations. Most living bearers were born before 1958.
- Oley is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
91
About 1 in 3,766,531 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
98.7% confidence
Average Age
78
years old
Peak Year
1922
15 births
Total Registered
378
since 1880
Gender Distribution for Oley
Oley is predominantly male (98.7%), though 5 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Oley as a male name
Ranked #3,519 in 1964
7 male births in 1964
Peak: 1922 (15 births)
Oley as a female name
Ranked #4,055 in 1914
5 female births in 1914
Peak: 1914 (5 births)
Oley: Popularity Over Time
SSA records for Oley span from the 1880s to the 1960s, covering 9 decades of naming data. The most popular decade for this name was the 1920s, when 104 babies were registered. Oley has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Oley by Decade
How has Oley 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.
Oley by State
Oley + Last Name Combinations
How many people share a full name with Oley as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Oley
Other first names starting with O with a similar number of bearers.
Oley: Questions and Answers
How many people in the U.S. are named Oley?
We estimate approximately 91 people named Oley 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 3,766,531 Americans share this first name.
Is Oley a common name?
Oley is classified as "Very Rare" and is more popular than 63.2% of all first names in the SSA database. A total of 378 births have been registered with this name since 1880.
When was Oley most popular?
Oley reached peak popularity in 1922, when 15 babies were given this name. The average age of a living person named Oley is approximately 78 years old, reflecting when the name was most commonly given.
Is Oley a male name?
Oley is predominantly male. 98.7% of people with this name are male. See the gender breakdown above for full details.
How many Oley Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Oley Smith, Oley Johnson, Oley 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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