How Many People Are Named Mollie?
An estimated 22,243 people in the United States have the first name Mollie. It is almost exclusively a female name. The average bearer is 37 years old, and Mollie peaked in popularity in 1915 with 738 births that year.
Below you will find a full statistical profile of Mollie 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 Mollie paired with any surname.
Estimated Living Americans
22,243
About 1 in 15,410 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
99.9% confidence
Average Age
37
years old
Peak Year
1915
738 births
Total Registered
47,996
since 1880
Gender Distribution for Mollie
Mollie is almost exclusively a female name. Out of 47,996 total births registered, 99.9% were female.
Mollie as a male name
Ranked #10,892 in 2004
6 male births in 2004
Peak: 1931 (7 births)
Mollie as a female name
Ranked #1,206 in 2024
196 female births in 2024
Peak: 1915 (738 births)
Mollie: Popularity Over Time
SSA records for Mollie span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1910s, when 5,789 babies were registered. Mollie has declined significantly from its peak in the 1910s. Recent registrations are a fraction of what they were at the name's height.
Mollie by Decade
How has Mollie 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.
| Decade | Total | Male | Female | |
|---|---|---|---|---|
| 1880s | 3,471 | 0 | 3,471 | |
| 1890s | 3,609 | 0 | 3,609 | |
| 1900s | 3,480 | 5 | 3,475 | |
| 1910s | 5,789 | 0 | 5,789 | |
| 1920s | 4,501 | 28 | 4,473 | |
| 1930s | 2,780 | 7 | 2,773 | |
| 1940s | 2,314 | 0 | 2,314 | |
| 1950s | 2,018 | 0 | 2,018 | |
| 1960s | 1,459 | 0 | 1,459 | |
| 1970s | 2,131 | 0 | 2,131 | |
| 1980s | 3,530 | 0 | 3,530 | |
| 1990s | 4,659 | 0 | 4,659 | |
| 2000s | 3,945 | 6 | 3,939 | |
| 2010s | 3,273 | 0 | 3,273 | |
| 2020s | 1,037 | 0 | 1,037 | |
Mollie by State
Birth registrations for Mollie span all 46 states and territories in the SSA database. The highest counts are in New York, Texas, North Carolina. The lowest are in Nevada, North Dakota, District of Columbia. On average, about 707 Mollies were registered per state.
Mollie + Last Name Combinations
How many people share a full name with Mollie as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Mollie
Other first names starting with M with a similar number of bearers.
Mollie: Questions and Answers
How many people in the U.S. are named Mollie?
We estimate approximately 22,243 people named Mollie 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 15,410 Americans share this first name.
Is Mollie a common name?
Mollie is classified as "Uncommon" and is more popular than 98.6% of all first names in the SSA database. A total of 47,996 births have been registered with this name since 1880.
When was Mollie most popular?
Mollie reached peak popularity in 1915, when 738 babies were given this name. The average age of a living person named Mollie is approximately 37 years old, reflecting when the name was most commonly given.
Is Mollie a female name?
Mollie is predominantly female. 99.9% of people with this name are female. See the gender breakdown above for full details.
How many Mollie Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Mollie Smith, Mollie Johnson, Mollie 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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