How Many People Are Named Samanthajo?
An estimated 276 people in the United States have the first name Samanthajo. It is almost exclusively a female name. The average bearer is 34 years old, and Samanthajo peaked in popularity in 1988 with 25 births that year.
Below you will find a full statistical profile of Samanthajo 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 Samanthajo paired with any surname.
Estimated Living Americans
276
About 1 in 1,241,864 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
34
years old
Peak Year
1988
25 births
Total Registered
287
since 1880
Gender Distribution for Samanthajo
Samanthajo is almost exclusively a female name. Out of 287 total births registered, 100.0% were female.
Samanthajo as a female name
Ranked #18,272 in 2004
5 female births in 2004
Peak: 1988 (25 births)
Samanthajo: Popularity Over Time
SSA records for Samanthajo span from the 1980s to the 2000s, covering 3 decades of naming data. The most popular decade for this name was the 1990s, when 145 babies were registered. Samanthajo has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Samanthajo by Decade
How has Samanthajo 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.
Samanthajo + Last Name Combinations
How many people share a full name with Samanthajo as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Samanthajo
Other first names starting with S with a similar number of bearers.
Samanthajo: Questions and Answers
How many people in the U.S. are named Samanthajo?
We estimate approximately 276 people named Samanthajo 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 1,241,864 Americans share this first name.
Is Samanthajo a common name?
Samanthajo is classified as "Very Rare" and is more popular than 78.3% of all first names in the SSA database. A total of 287 births have been registered with this name since 1880.
When was Samanthajo most popular?
Samanthajo reached peak popularity in 1988, when 25 babies were given this name. The average age of a living person named Samanthajo is approximately 34 years old, reflecting when the name was most commonly given.
Is Samanthajo a female name?
Samanthajo is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Samanthajo Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Samanthajo Smith, Samanthajo Johnson, Samanthajo 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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