Home / Name Directory / Mary
How Many People Are Named Mary?
Estimated people named Mary living in the U.S. today
1,565,539
Gender distribution
0% male · 100% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 4,154,332
- Peak year: 1921 (74,171 births)
- Estimated living today: 1,565,539
Mary by age group — who carries the name today?
Mary popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Mary
Mary has been recorded by the Social Security Administration since the 19th century dataset began. In total, 4,154,332 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 1,565,539 bearers are still living — roughly 1 in 218 Americans. The name's strongest decade shapes how old most Marys you meet will be, which the age-group breakdown above shows directly. All figures are statistical estimates from public records; see our methodology for sources, the survival model, and the limits of the data (names given to fewer than five babies in a year are not published by the SSA).
Frequently asked questions
How many people are named Mary in the US?
An estimated 1,565,539 people named Mary are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Mary very common — about 1 in 218 Americans.
Is Mary a boy or girl name?
In SSA records, Mary is 0% male and 100% female, so it is predominantly a female name.
When was Mary most popular?
Mary peaked in 1921, when 74,171 babies were given the name. Its current trend is declining compared with the previous decade.
How rare is the name Mary?
Mary ranks #10 of 104,819 first names recorded by the SSA, with a rarity score of 27 out of 100 (higher means rarer).