How Many People Are Named Olli?
An estimated 54 people in the United States have the first name Olli. It is predominantly male (90.7%). The average bearer is 6 years old, and Olli peaked in popularity in 2020 with 8 births that year.
Below you will find a full statistical profile of Olli 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 Olli paired with any surname.
Key Insights
- Olli is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
54
About 1 in 6,347,303 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
90.7% confidence
Average Age
6
years old
Peak Year
2020
8 births
Total Registered
54
since 1880
Gender Distribution for Olli
Olli is predominantly male (90.7%), though 5 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Olli as a male name
Ranked #11,907 in 2024
6 male births in 2024
Peak: 2020 (8 births)
Olli as a female name
Ranked #17,775 in 2017
5 female births in 2017
Peak: 2017 (5 births)
Olli: Popularity Over Time
SSA records for Olli span from the 2010s to the 2020s, covering 2 decades of naming data. The most popular decade for this name was the 2020s, when 30 babies were registered. Olli remains highly popular today, with recent registration numbers near its historical peak.
Olli by Decade
How has Olli 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.
Olli + Last Name Combinations
How many people share a full name with Olli as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Olli
Other first names starting with O with a similar number of bearers.
Olli: Questions and Answers
How many people in the U.S. are named Olli?
We estimate approximately 54 people named Olli 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 6,347,303 Americans share this first name.
Is Olli a common name?
Olli is classified as "Very Rare" and is more popular than 55.5% of all first names in the SSA database. A total of 54 births have been registered with this name since 1880.
When was Olli most popular?
Olli reached peak popularity in 2020, when 8 babies were given this name. The average age of a living person named Olli is approximately 6 years old, reflecting when the name was most commonly given.
Is Olli a male name?
Olli is predominantly male. 90.7% of people with this name are male. See the gender breakdown above for full details.
How many Olli Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Olli Smith, Olli Johnson, Olli 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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