How Many People Are Named Seferino?
An estimated 741 people in the United States have the first name Seferino. It is almost exclusively a male name. The average bearer is 52 years old, and Seferino peaked in popularity in 1952 with 23 births that year.
Below you will find a full statistical profile of Seferino 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 Seferino paired with any surname.
Estimated Living Americans
741
About 1 in 462,556 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
52
years old
Peak Year
1952
23 births
Total Registered
1,235
since 1880
Gender Distribution for Seferino
Seferino is almost exclusively a male name. Out of 1,235 total births registered, 100.0% were male.
Seferino as a male name
Ranked #11,783 in 2020
6 male births in 2020
Peak: 1952 (23 births)
Seferino: Popularity Over Time
SSA records for Seferino span from the 1900s to the 2020s, covering 13 decades of naming data. The most popular decade for this name was the 1920s, when 159 babies were registered. Seferino has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Seferino by Decade
How has Seferino 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.
Seferino by State
Birth registrations for Seferino span all 3 states and territories in the SSA database. The highest counts are in Texas, California, New Mexico. The lowest are in New Mexico, California, Texas. On average, about 216 Seferinos were registered per state.
Seferino + Last Name Combinations
How many people share a full name with Seferino as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Seferino
Other first names starting with S with a similar number of bearers.
Seferino: Questions and Answers
How many people in the U.S. are named Seferino?
We estimate approximately 741 people named Seferino 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 462,556 Americans share this first name.
Is Seferino a common name?
Seferino is classified as "Very Rare" and is more popular than 88% of all first names in the SSA database. A total of 1,235 births have been registered with this name since 1880.
When was Seferino most popular?
Seferino reached peak popularity in 1952, when 23 babies were given this name. The average age of a living person named Seferino is approximately 52 years old, reflecting when the name was most commonly given.
Is Seferino a male name?
Seferino is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Seferino Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Seferino Smith, Seferino Johnson, Seferino 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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