How Many People Are Named Onie?
An estimated 189 people in the United States have the first name Onie. It is used for both genders, with 86.6% female. The average bearer is 81 years old, and Onie peaked in popularity in 1918 with 70 births that year.
Below you will find a full statistical profile of Onie 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 Onie paired with any surname.
Key Insights
- With an average bearer age of 81, Onie is a vintage name most associated with earlier generations. Most living bearers were born before 1955.
Estimated Living Americans
189
About 1 in 1,813,515 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
86.6% confidence
Average Age
81
years old
Peak Year
1918
70 births
Total Registered
2,063
since 1880
Gender Distribution for Onie
Onie is predominantly female (86.6%), though 277 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Onie as a male name
Ranked #3,779 in 1955
6 male births in 1955
Peak: 1920 (20 births)
Onie as a female name
Ranked #13,285 in 1997
6 female births in 1997
Peak: 1918 (64 births)
Onie: Popularity Over Time
SSA records for Onie span from the 1880s to the 1990s, covering 12 decades of naming data. The most popular decade for this name was the 1910s, when 488 babies were registered. Onie has declined significantly from its peak in the 1910s. Recent registrations are a fraction of what they were at the name's height.
Onie by Decade
How has Onie 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.
Onie by State
Birth registrations for Onie span all 11 states and territories in the SSA database. The highest counts are in Texas, Mississippi, Georgia. The lowest are in Virginia, Florida, South Carolina. On average, about 27 Onies were registered per state.
Onie + Last Name Combinations
How many people share a full name with Onie as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Onie
Other first names starting with O with a similar number of bearers.
Onie: Questions and Answers
How many people in the U.S. are named Onie?
We estimate approximately 189 people named Onie 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 1,813,515 Americans share this first name.
Is Onie a common name?
Onie is classified as "Very Rare" and is more popular than 73.4% of all first names in the SSA database. A total of 2,063 births have been registered with this name since 1880.
When was Onie most popular?
Onie reached peak popularity in 1918, when 70 babies were given this name. The average age of a living person named Onie is approximately 81 years old, reflecting when the name was most commonly given.
Is Onie a female name?
Onie is predominantly female. 86.6% of people with this name are female. See the gender breakdown above for full details.
How many Onie Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Onie Smith, Onie Johnson, Onie 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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