How Many People Are Named Marykay?
An estimated 735 people in the United States have the first name Marykay. It is almost exclusively a female name. The average bearer is 59 years old, and Marykay peaked in popularity in 1961 with 72 births that year.
Below you will find a full statistical profile of Marykay 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 Marykay paired with any surname.
Estimated Living Americans
735
About 1 in 466,332 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
59
years old
Peak Year
1961
72 births
Total Registered
937
since 1880
Gender Distribution for Marykay
Marykay is almost exclusively a female name. Out of 937 total births registered, 100.0% were female.
Marykay as a female name
Ranked #12,935 in 2024
7 female births in 2024
Peak: 1961 (72 births)
Marykay: Popularity Over Time
SSA records for Marykay span from the 1940s to the 2020s, covering 9 decades of naming data. The most popular decade for this name was the 1960s, when 444 babies were registered. Marykay has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Marykay by Decade
How has Marykay 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.
Marykay by State
Birth registrations for Marykay span all 8 states and territories in the SSA database. The highest counts are in Pennsylvania, New York, Illinois. The lowest are in New Jersey, Ohio, Wisconsin. On average, about 35 Marykays were registered per state.
Marykay + Last Name Combinations
How many people share a full name with Marykay as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Marykay
Other first names starting with M with a similar number of bearers.
Marykay: Questions and Answers
How many people in the U.S. are named Marykay?
We estimate approximately 735 people named Marykay 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 466,332 Americans share this first name.
Is Marykay a common name?
Marykay is classified as "Very Rare" and is more popular than 87.9% of all first names in the SSA database. A total of 937 births have been registered with this name since 1880.
When was Marykay most popular?
Marykay reached peak popularity in 1961, when 72 babies were given this name. The average age of a living person named Marykay is approximately 59 years old, reflecting when the name was most commonly given.
Is Marykay a female name?
Marykay is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Marykay Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Marykay Smith, Marykay Johnson, Marykay 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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