How Many People Are Named Alphonso?
An estimated 9,967 people in the United States have the first name Alphonso. It is almost exclusively a male name. The average bearer is 56 years old, and Alphonso peaked in popularity in 1962 with 319 births that year.
Below you will find a full statistical profile of Alphonso 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 Alphonso paired with any surname.
Estimated Living Americans
9,967
About 1 in 34,389 people in the U.S.
Rarity
Rare
Predicted Gender
Male
99.8% confidence
Average Age
56
years old
Peak Year
1962
319 births
Total Registered
15,193
since 1880
Gender Distribution for Alphonso
Alphonso is almost exclusively a male name. Out of 15,193 total births registered, 99.8% were male.
Alphonso as a male name
Ranked #5,441 in 2024
17 male births in 2024
Peak: 1962 (319 births)
Alphonso as a female name
Ranked #11,370 in 1987
5 female births in 1987
Peak: 1930 (6 births)
Alphonso: Popularity Over Time
SSA records for Alphonso span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1950s, when 2,768 babies were registered. Alphonso has declined significantly from its peak in the 1950s. Recent registrations are a fraction of what they were at the name's height.
Alphonso by Decade
How has Alphonso 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.
Alphonso by State
Birth registrations for Alphonso span all 28 states and territories in the SSA database. The highest counts are in Florida, New York, Georgia. The lowest are in Wisconsin, Oklahoma, Kentucky. On average, about 399 Alphonsos were registered per state.
Alphonso + Last Name Combinations
How many people share a full name with Alphonso as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Alphonso
Other first names starting with A with a similar number of bearers.
Alphonso: Questions and Answers
How many people in the U.S. are named Alphonso?
We estimate approximately 9,967 people named Alphonso 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 34,389 Americans share this first name.
Is Alphonso a common name?
Alphonso is classified as "Rare" and is more popular than 97.7% of all first names in the SSA database. A total of 15,193 births have been registered with this name since 1880.
When was Alphonso most popular?
Alphonso reached peak popularity in 1962, when 319 babies were given this name. The average age of a living person named Alphonso is approximately 56 years old, reflecting when the name was most commonly given.
Is Alphonso a male name?
Alphonso is predominantly male. 99.8% of people with this name are male. See the gender breakdown above for full details.
How many Alphonso Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Alphonso Smith, Alphonso Johnson, Alphonso 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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