How Many People Are Named Oak?
An estimated 597 people in the United States have the first name Oak. It is predominantly male (95.6%). The average bearer is 9 years old, and Oak peaked in popularity in 2023 with 76 births that year.
Below you will find a full statistical profile of Oak 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 Oak paired with any surname.
Estimated Living Americans
597
About 1 in 574,128 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
95.6% confidence
Average Age
9
years old
Peak Year
2023
76 births
Total Registered
615
since 1880
Gender Distribution for Oak
Oak is predominantly male (95.6%), though 27 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Oak as a male name
Ranked #2,429 in 2024
57 male births in 2024
Peak: 2023 (68 births)
Oak as a female name
Ranked #16,991 in 2024
5 female births in 2024
Peak: 2021 (8 births)
Oak: Popularity Over Time
SSA records for Oak span from the 1920s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 2020s, when 296 babies were registered. Oak remains highly popular today, with recent registration numbers near its historical peak.
Oak by Decade
How has Oak 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.
Oak by State
Birth registrations for Oak span all 6 states and territories in the SSA database. The highest counts are in California, Florida, Michigan. The lowest are in Tennessee, Oklahoma, North Carolina. On average, about 11 Oaks were registered per state.
Oak + Last Name Combinations
How many people share a full name with Oak as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Oak
Other first names starting with O with a similar number of bearers.
Oak: Questions and Answers
How many people in the U.S. are named Oak?
We estimate approximately 597 people named Oak 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 574,128 Americans share this first name.
Is Oak a common name?
Oak is classified as "Very Rare" and is more popular than 86.2% of all first names in the SSA database. A total of 615 births have been registered with this name since 1880.
When was Oak most popular?
Oak reached peak popularity in 2023, when 76 babies were given this name. The average age of a living person named Oak is approximately 9 years old, reflecting when the name was most commonly given.
Is Oak a male name?
Oak is predominantly male. 95.6% of people with this name are male. See the gender breakdown above for full details.
How many Oak Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Oak Smith, Oak Johnson, Oak 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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