How Many People Are Named Petro?
An estimated 90 people in the United States have the first name Petro. It is almost exclusively a male name. The average bearer is 50 years old, and Petro peaked in popularity in 1971 with 11 births that year.
Below you will find a full statistical profile of Petro 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 Petro paired with any surname.
Key Insights
- Petro is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
90
About 1 in 3,808,382 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
50
years old
Peak Year
1971
11 births
Total Registered
160
since 1880
Gender Distribution for Petro
Petro is almost exclusively a male name. Out of 160 total births registered, 100.0% were male.
Petro as a male name
Ranked #13,533 in 2015
5 male births in 2015
Peak: 1971 (11 births)
Petro: Popularity Over Time
SSA records for Petro span from the 1910s to the 2010s, covering 10 decades of naming data. The most popular decade for this name was the 1920s, when 47 babies were registered. Petro has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Petro by Decade
How has Petro 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.
Petro + Last Name Combinations
How many people share a full name with Petro as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Petro
Other first names starting with P with a similar number of bearers.
Petro: Questions and Answers
How many people in the U.S. are named Petro?
We estimate approximately 90 people named Petro 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 3,808,382 Americans share this first name.
Is Petro a common name?
Petro is classified as "Very Rare" and is more popular than 63% of all first names in the SSA database. A total of 160 births have been registered with this name since 1880.
When was Petro most popular?
Petro reached peak popularity in 1971, when 11 babies were given this name. The average age of a living person named Petro is approximately 50 years old, reflecting when the name was most commonly given.
Is Petro a male name?
Petro is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Petro Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Petro Smith, Petro Johnson, Petro 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 0 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau estimate. Full methodology.
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