How Many People Are Named Margo?
An estimated 19,760 people in the United States have the first name Margo. It is almost exclusively a female name. The average bearer is 48 years old, and Margo peaked in popularity in 1954 with 720 births that year.
Below you will find a full statistical profile of Margo 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 Margo paired with any surname.
Estimated Living Americans
19,760
About 1 in 17,346 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
99.9% confidence
Average Age
48
years old
Peak Year
1954
720 births
Total Registered
26,699
since 1880
Gender Distribution for Margo
Margo is almost exclusively a female name. Out of 26,699 total births registered, 99.9% were female.
Margo as a male name
Ranked #7,571 in 1989
6 male births in 1989
Peak: 1941 (6 births)
Margo as a female name
Ranked #545 in 2024
555 female births in 2024
Peak: 1954 (715 births)
Margo: Popularity Over Time
SSA records for Margo span from the 1900s to the 2020s, covering 13 decades of naming data. The most popular decade for this name was the 1950s, when 5,891 babies were registered. While Margo is less common than at its peak in the 1950s, it remains a well-established name with steady registrations.
Margo by Decade
How has Margo 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.
Margo by State
Birth registrations for Margo span all 47 states and territories in the SSA database. The highest counts are in California, New York, Illinois. The lowest are in Nevada, New Hampshire, New Mexico. On average, about 457 Margos were registered per state.
Margo + Last Name Combinations
How many people share a full name with Margo as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Margo
Other first names starting with M with a similar number of bearers.
Margo: Questions and Answers
How many people in the U.S. are named Margo?
We estimate approximately 19,760 people named Margo 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 17,346 Americans share this first name.
Is Margo a common name?
Margo is classified as "Uncommon" and is more popular than 98.5% of all first names in the SSA database. A total of 26,699 births have been registered with this name since 1880.
When was Margo most popular?
Margo reached peak popularity in 1954, when 720 babies were given this name. The average age of a living person named Margo is approximately 48 years old, reflecting when the name was most commonly given.
Is Margo a female name?
Margo is predominantly female. 99.9% of people with this name are female. See the gender breakdown above for full details.
How many Margo Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Margo Smith, Margo Johnson, Margo 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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