How Many People Are Named Mamadou Johnson?
There are approximately 12 people named Mamadou Johnson living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 28,562,862 Americans.
This estimate combines SSA birth records for the first name Mamadou with Census Bureau frequency data for the surname Johnson. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
12
1 in 28,562,862 Americans
Combination Rarity
Rare
First Name
View full profileMamadou
Last Name
View full profileJohnson
Mamadou: Popularity Over Time
Year-by-year SSA birth registrations for the first name Mamadou. The peak year was 2024 with 105 births. The average person named Mamadou today is 16 years old.
Ancestry of the Johnson Surname
Self-reported race and ethnicity breakdown for people with the surname Johnson, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Mamadou" has an estimated frequency of < 0.0001% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Johnson" appears at a rate of 655.24 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 12 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Mamadou
Other people with the surname Johnson
Mamadou Johnson: Questions and Answers
How many people are named Mamadou Johnson?
We estimate approximately 12 people named Mamadou Johnson are alive in the United States today. The first name Mamadou is shared by 1,810 Americans, and the surname Johnson is shared by 2,200,907.
How rare is the name Mamadou Johnson?
This name combination is classified as Rare, occurring at a rate of about 1 in 28,562,862 Americans. The first name Mamadou is rare and the surname Johnson is very common.
Is Mamadou a male or female name?
Mamadou is predominantly male, with 100.0% of bearers being male and 0.0% female. It peaked in popularity in 2024 and the average bearer today is 16 years old.
Where does this data come from?
First name data comes from the Social Security Administration (1880 to 2024), adjusted for survival using CDC 2023 life tables. Surname data comes from the 2010 U.S. Census Bureau. Full methodology.
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