How Many People Are Named Marybeth?
An estimated 8,187 people in the United States have the first name Marybeth. It is almost exclusively a female name. The average bearer is 55 years old, and Marybeth peaked in popularity in 1961 with 488 births that year.
Below you will find a full statistical profile of Marybeth 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 Marybeth paired with any surname.
Estimated Living Americans
8,187
About 1 in 41,866 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
55
years old
Peak Year
1961
488 births
Total Registered
10,241
since 1880
Gender Distribution for Marybeth
Marybeth is almost exclusively a female name. Out of 10,241 total births registered, 100.0% were female.
Marybeth as a female name
Ranked #6,812 in 2024
17 female births in 2024
Peak: 1961 (488 births)
Marybeth: Popularity Over Time
SSA records for Marybeth span from the 1900s to the 2020s, covering 13 decades of naming data. The most popular decade for this name was the 1960s, when 3,801 babies were registered. Marybeth has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Marybeth by Decade
How has Marybeth 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.
Marybeth by State
Birth registrations for Marybeth span all 23 states and territories in the SSA database. The highest counts are in New York, Pennsylvania, New Jersey. The lowest are in North Carolina, Delaware, Iowa. On average, about 313 Marybeths were registered per state.
Marybeth + Last Name Combinations
How many people share a full name with Marybeth as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Marybeth
Other first names starting with M with a similar number of bearers.
Marybeth: Questions and Answers
How many people in the U.S. are named Marybeth?
We estimate approximately 8,187 people named Marybeth 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 41,866 Americans share this first name.
Is Marybeth a common name?
Marybeth is classified as "Rare" and is more popular than 97.4% of all first names in the SSA database. A total of 10,241 births have been registered with this name since 1880.
When was Marybeth most popular?
Marybeth reached peak popularity in 1961, when 488 babies were given this name. The average age of a living person named Marybeth is approximately 55 years old, reflecting when the name was most commonly given.
Is Marybeth a female name?
Marybeth is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Marybeth Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Marybeth Smith, Marybeth Johnson, Marybeth 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.
Search for a full name combination
How Many of Me