How Many People Are Named Mary Johnson?
There are approximately 9,781 people named Mary Johnson living in the United States today. That makes this name combination common, occurring at a rate of about 1 in 35,043 Americans.
This estimate combines SSA birth records for the first name Mary 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
9,781
1 in 35,043 Americans
Combination Rarity
Common
First Name
View full profileMary
Last Name
View full profileJohnson
Mary: Popularity Over Time
Year-by-year SSA birth registrations for the first name Mary. The peak year was 1921 with 74,171 births. The average person named Mary today is 65 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 "Mary" has an estimated frequency of 0.436% 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 9,781 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Mary
Other people with the surname Johnson
Mary Johnson: Questions and Answers
How many people are named Mary Johnson?
We estimate approximately 9,781 people named Mary Johnson are alive in the United States today. The first name Mary is shared by 1,492,757 Americans, and the surname Johnson is shared by 2,200,907.
How rare is the name Mary Johnson?
This name combination is classified as Common, occurring at a rate of about 1 in 35,043 Americans. The first name Mary is very common and the surname Johnson is very common.
Is Mary a male or female name?
Mary is predominantly female, with 0.4% of bearers being male and 99.6% female. It peaked in popularity in 1921 and the average bearer today is 65 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.
Try another name
How Many of Me