How Many People Are Named Phinneas?
An estimated 142 people in the United States have the first name Phinneas. It is almost exclusively a male name. The average bearer is 13 years old, and Phinneas peaked in popularity in 2010 with 17 births that year.
Below you will find a full statistical profile of Phinneas as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, state-by-state birth registrations, and, when available, a 2020 Census snapshot showing who had the name at that point in time. You can also check how many people share the full name Phinneas paired with any surname.
Estimated Living Americans
142
About 1 in 2,413,763 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
13
years old
Peak Year
2010
17 births
Total Registered
143
since 1880
Gender Distribution for Phinneas
Phinneas is almost exclusively a male name. Out of 143 total births registered, 100.0% were male.
Phinneas as a male name
Ranked #11,937 in 2024
6 male births in 2024
Peak: 2010 (17 births)
Phinneas: Popularity Over Time
SSA records for Phinneas span from the 2000s to the 2020s, covering 3 decades of naming data. The most popular decade for this name was the 2010s, when 85 babies were registered. Phinneas has declined significantly from its peak in the 2010s. Recent registrations are a fraction of what they were at the name's height.
Phinneas by Decade
How has Phinneas 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.
Phinneas + Last Name Combinations
How many people share a full name with Phinneas as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Phinneas
Other first names starting with P with a similar number of bearers.
Phinneas: Questions and Answers
How many people in the U.S. are named Phinneas?
We estimate approximately 142 people named Phinneas 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 2,413,763 Americans share this first name.
Is Phinneas a common name?
Phinneas is classified as "Very Rare" and is more popular than 69.5% of all first names in the SSA database. A total of 143 births have been registered with this name since 1880.
When was Phinneas most popular?
Phinneas reached peak popularity in 2010, when 17 babies were given this name. The average age of a living person named Phinneas is approximately 13 years old, reflecting when the name was most commonly given.
What does the SSA popularity chart show?
The popularity chart tracks birth registrations, not people currently alive. It shows how often Phinneas was given to babies from 1880 through 2024, which is why it is the best tool on the page for seeing long-run naming trends.
Is Phinneas a male name?
Phinneas is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
Why can Phinneas have a lot of living bearers even if it is not trendy now?
Because a name can build up a large population over many decades. Phinneas peaked in 2010, and the average living bearer is about 13 years old, so a name can still have millions of living bearers even after it stops feeling current for newborns.
How many Phinneas Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Phinneas Smith, Phinneas Johnson, Phinneas 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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