How Many People Are Named Rosemary?
An estimated 77,860 people in the United States have the first name Rosemary. It is almost exclusively a female name. The average bearer is 57 years old, and Rosemary peaked in popularity in 1947 with 4,542 births that year.
Below you will find a full statistical profile of Rosemary 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 Rosemary paired with any surname.
Key Insights
- While Rosemary is overwhelmingly female, 358 male births have been registered with this name since 1880.
Estimated Living Americans
77,860
About 1 in 4,402 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
99.8% confidence
Average Age
57
years old
Peak Year
1947
4,542 births
Total Registered
162,280
since 1880
Gender Distribution for Rosemary
Rosemary is almost exclusively a female name. Out of 162,280 total births registered, 99.8% were female.
Rosemary as a male name
Ranked #9,237 in 1990
5 male births in 1990
Peak: 1929 (14 births)
Rosemary as a female name
Ranked #301 in 2024
1,037 female births in 2024
Peak: 1947 (4,542 births)
Rosemary: Popularity Over Time
SSA records for Rosemary span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1940s, when 34,381 babies were registered. Rosemary has declined significantly from its peak in the 1940s. Recent registrations are a fraction of what they were at the name's height.
Rosemary by Decade
How has Rosemary 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 | 73 | 0 | 73 | |
| 1890s | 200 | 0 | 200 | |
| 1900s | 634 | 0 | 634 | |
| 1910s | 7,079 | 0 | 7,079 | |
| 1920s | 26,020 | 55 | 25,965 | |
| 1930s | 24,941 | 84 | 24,857 | |
| 1940s | 34,381 | 85 | 34,296 | |
| 1950s | 25,067 | 48 | 25,019 | |
| 1960s | 14,652 | 48 | 14,604 | |
| 1970s | 5,835 | 12 | 5,823 | |
| 1980s | 5,009 | 21 | 4,988 | |
| 1990s | 4,056 | 5 | 4,051 | |
| 2000s | 3,960 | 0 | 3,960 | |
| 2010s | 5,926 | 0 | 5,926 | |
| 2020s | 4,447 | 0 | 4,447 | |
Rosemary by State
Birth registrations for Rosemary span all 51 states and territories in the SSA database. The highest counts are in New York, Illinois, Pennsylvania. The lowest are in Alaska, Nevada, Wyoming. On average, about 3,086 Rosemarys were registered per state.
Rosemary + Last Name Combinations
How many people share a full name with Rosemary as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Rosemary
Other first names starting with R with a similar number of bearers.
Rosemary: Questions and Answers
How many people in the U.S. are named Rosemary?
We estimate approximately 77,860 people named Rosemary 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 4,402 Americans share this first name.
Is Rosemary a common name?
Rosemary is classified as "Uncommon" and is more popular than 99.4% of all first names in the SSA database. A total of 162,280 births have been registered with this name since 1880.
When was Rosemary most popular?
Rosemary reached peak popularity in 1947, when 4,542 babies were given this name. The average age of a living person named Rosemary is approximately 57 years old, reflecting when the name was most commonly given.
Is Rosemary a female name?
Rosemary is predominantly female. 99.8% of people with this name are female. See the gender breakdown above for full details.
How many Rosemary Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Rosemary Smith, Rosemary Johnson, Rosemary 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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