How Many People Are Named Molly Shannon?
There are approximately 24 people named Molly Shannon living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 14,281,431 Americans.
This estimate combines SSA birth records for the first name Molly with Census Bureau frequency data for the surname Shannon. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
24
1 in 14,281,431 Americans
Combination Rarity
Rare
First Name
View full profileMolly
Last Name
View full profileShannon
Molly: Popularity Over Time
Year-by-year SSA birth registrations for the first name Molly. The peak year was 1991 with 4,663 births. The average person named Molly today is 32 years old.
Ancestry of the Shannon Surname
Self-reported race and ethnicity breakdown for people with the surname Shannon, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Molly" has an estimated frequency of 0.0452% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Shannon" appears at a rate of 15.64 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 24 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Molly
Molly Shannon: Questions and Answers
How many people are named Molly Shannon?
We estimate approximately 24 people named Molly Shannon are alive in the United States today. The first name Molly is shared by 154,836 Americans, and the surname Shannon is shared by 52,534.
How rare is the name Molly Shannon?
This name combination is classified as Rare, occurring at a rate of about 1 in 14,281,431 Americans. The first name Molly is common and the surname Shannon is uncommon.
Is Molly a male or female name?
Molly is predominantly female, with 0.2% of bearers being male and 99.8% female. It peaked in popularity in 1991 and the average bearer today is 32 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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