How Many People Are Named Winthrop?
An estimated 454 people in the United States have the first name Winthrop. It is almost exclusively a male name. The average bearer is 65 years old, and Winthrop peaked in popularity in 1915 with 48 births that year.
Below you will find a full statistical profile of Winthrop 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 Winthrop paired with any surname.
Key Insights
- With an average bearer age of 65, Winthrop is a vintage name most associated with earlier generations. Most living bearers were born before 1971.
Estimated Living Americans
454
About 1 in 754,966 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
65
years old
Peak Year
1915
48 births
Total Registered
1,178
since 1880
Gender Distribution for Winthrop
Winthrop is almost exclusively a male name. Out of 1,178 total births registered, 100.0% were male.
Winthrop as a male name
Ranked #12,163 in 2023
6 male births in 2023
Peak: 1915 (48 births)
Winthrop: Popularity Over Time
SSA records for Winthrop span from the 1880s to the 2020s, covering 14 decades of naming data. The most popular decade for this name was the 1910s, when 216 babies were registered. Winthrop has declined significantly from its peak in the 1910s. Recent registrations are a fraction of what they were at the name's height.
Winthrop by Decade
How has Winthrop 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.
Winthrop by State
Birth registrations for Winthrop span all 3 states and territories in the SSA database. The highest counts are in Massachusetts, New York, Connecticut. The lowest are in Connecticut, New York, Massachusetts. On average, about 88 Winthrops were registered per state.
Winthrop + Last Name Combinations
How many people share a full name with Winthrop as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Winthrop
Other first names starting with W with a similar number of bearers.
Winthrop: Questions and Answers
How many people in the U.S. are named Winthrop?
We estimate approximately 454 people named Winthrop 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 754,966 Americans share this first name.
Is Winthrop a common name?
Winthrop is classified as "Very Rare" and is more popular than 83.6% of all first names in the SSA database. A total of 1,178 births have been registered with this name since 1880.
When was Winthrop most popular?
Winthrop reached peak popularity in 1915, when 48 babies were given this name. The average age of a living person named Winthrop is approximately 65 years old, reflecting when the name was most commonly given.
Is Winthrop a male name?
Winthrop is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Winthrop Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Winthrop Smith, Winthrop Johnson, Winthrop 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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