How Many People Are Named Margaret Hamilton?
There are approximately 290 people named Margaret Hamilton living in the United States today. That makes this name combination uncommon, occurring at a rate of about 1 in 1,181,912 Americans.
This estimate combines SSA birth records for the first name Margaret with Census Bureau frequency data for the surname Hamilton. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
290
1 in 1,181,912 Americans
Combination Rarity
Uncommon
First Name
View full profileMargaret
Last Name
View full profileHamilton
Margaret: Popularity Over Time
Year-by-year SSA birth registrations for the first name Margaret. The peak year was 1921 with 28,521 births. The average person named Margaret today is 60 years old.
Ancestry of the Hamilton Surname
Self-reported race and ethnicity breakdown for people with the surname Hamilton, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Margaret" has an estimated frequency of 0.124% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Hamilton" appears at a rate of 68.39 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 290 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Margaret
Other people with the surname Hamilton
Margaret Hamilton: Questions and Answers
How many people are named Margaret Hamilton?
We estimate approximately 290 people named Margaret Hamilton are alive in the United States today. The first name Margaret is shared by 424,744 Americans, and the surname Hamilton is shared by 229,717.
How rare is the name Margaret Hamilton?
This name combination is classified as Uncommon, occurring at a rate of about 1 in 1,181,912 Americans. The first name Margaret is common and the surname Hamilton is common.
Is Margaret a male or female name?
Margaret is predominantly female, with 0.3% of bearers being male and 99.7% female. It peaked in popularity in 1921 and the average bearer today is 60 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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