How Many People Are Named Petr?
An estimated 107 people in the United States have the first name Petr. It is almost exclusively a male name. The average bearer is 20 years old, and Petr peaked in popularity in 2014 with 12 births that year.
Below you will find a full statistical profile of Petr 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 Petr paired with any surname.
Estimated Living Americans
107
About 1 in 3,203,312 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
20
years old
Peak Year
2014
12 births
Total Registered
109
since 1880
Gender Distribution for Petr
Petr is almost exclusively a male name. Out of 109 total births registered, 100.0% were male.
Petr as a male name
Ranked #13,623 in 2019
5 male births in 2019
Peak: 2014 (12 births)
Petr: Popularity Over Time
SSA records for Petr span from the 1970s to the 2010s, covering 4 decades of naming data. The most popular decade for this name was the 2000s, when 48 babies were registered. Petr remains highly popular today, with recent registration numbers near its historical peak.
Petr by Decade
How has Petr 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.
Petr by State
Petr + Last Name Combinations
How many people share a full name with Petr as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Petr
Other first names starting with P with a similar number of bearers.
Petr: Questions and Answers
How many people in the U.S. are named Petr?
We estimate approximately 107 people named Petr 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 3,203,312 Americans share this first name.
Is Petr a common name?
Petr is classified as "Very Rare" and is more popular than 65.5% of all first names in the SSA database. A total of 109 births have been registered with this name since 1880.
When was Petr most popular?
Petr reached peak popularity in 2014, when 12 babies were given this name. The average age of a living person named Petr is approximately 20 years old, reflecting when the name was most commonly given.
Is Petr a male name?
Petr is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Petr Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Petr Smith, Petr Johnson, Petr 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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