How Many People Are Named Maryjo?
An estimated 5,036 people in the United States have the first name Maryjo. It is almost exclusively a female name. The average bearer is 59 years old, and Maryjo peaked in popularity in 1960 with 293 births that year.
Below you will find a full statistical profile of Maryjo 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 Maryjo paired with any surname.
Estimated Living Americans
5,036
About 1 in 68,061 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
59
years old
Peak Year
1960
293 births
Total Registered
7,099
since 1880
Gender Distribution for Maryjo
Maryjo is almost exclusively a female name. Out of 7,099 total births registered, 100.0% were female.
Maryjo as a female name
Ranked #7,105 in 2024
16 female births in 2024
Peak: 1960 (293 births)
Maryjo: Popularity Over Time
SSA records for Maryjo span from the 1910s to the 2020s, covering 12 decades of naming data. The most popular decade for this name was the 1960s, when 2,081 babies were registered. Maryjo has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Maryjo by Decade
How has Maryjo 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.
Maryjo by State
Birth registrations for Maryjo span all 22 states and territories in the SSA database. The highest counts are in New York, Pennsylvania, Michigan. The lowest are in Utah, Nebraska, Maine. On average, about 204 Maryjos were registered per state.
Maryjo + Last Name Combinations
How many people share a full name with Maryjo as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Maryjo
Other first names starting with M with a similar number of bearers.
Maryjo: Questions and Answers
How many people in the U.S. are named Maryjo?
We estimate approximately 5,036 people named Maryjo 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 68,061 Americans share this first name.
Is Maryjo a common name?
Maryjo is classified as "Rare" and is more popular than 96.5% of all first names in the SSA database. A total of 7,099 births have been registered with this name since 1880.
When was Maryjo most popular?
Maryjo reached peak popularity in 1960, when 293 babies were given this name. The average age of a living person named Maryjo is approximately 59 years old, reflecting when the name was most commonly given.
Is Maryjo a female name?
Maryjo is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Maryjo Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Maryjo Smith, Maryjo Johnson, Maryjo 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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