How Many People Are Named Petrina?
An estimated 1,496 people in the United States have the first name Petrina. It is almost exclusively a female name. The average bearer is 54 years old, and Petrina peaked in popularity in 1971 with 99 births that year.
Below you will find a full statistical profile of Petrina 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 Petrina paired with any surname.
Estimated Living Americans
1,496
About 1 in 229,114 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
54
years old
Peak Year
1971
99 births
Total Registered
2,107
since 1880
Gender Distribution for Petrina
Petrina is almost exclusively a female name. Out of 2,107 total births registered, 100.0% were female.
Petrina as a female name
Ranked #11,933 in 2011
9 female births in 2011
Peak: 1971 (99 births)
Petrina: Popularity Over Time
SSA records for Petrina span from the 1900s to the 2010s, covering 12 decades of naming data. The most popular decade for this name was the 1970s, when 746 babies were registered. Petrina has declined significantly from its peak in the 1970s. Recent registrations are a fraction of what they were at the name's height.
Petrina by Decade
How has Petrina 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.
Petrina by State
Birth registrations for Petrina span all 16 states and territories in the SSA database. The highest counts are in New York, California, Michigan. The lowest are in Missouri, Indiana, Virginia. On average, about 37 Petrinas were registered per state.
Petrina + Last Name Combinations
How many people share a full name with Petrina as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Petrina
Other first names starting with P with a similar number of bearers.
Petrina: Questions and Answers
How many people in the U.S. are named Petrina?
We estimate approximately 1,496 people named Petrina 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 229,114 Americans share this first name.
Is Petrina a common name?
Petrina is classified as "Rare" and is more popular than 92.4% of all first names in the SSA database. A total of 2,107 births have been registered with this name since 1880.
When was Petrina most popular?
Petrina reached peak popularity in 1971, when 99 babies were given this name. The average age of a living person named Petrina is approximately 54 years old, reflecting when the name was most commonly given.
Is Petrina a female name?
Petrina is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Petrina Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Petrina Smith, Petrina Johnson, Petrina 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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