How Many People Are Named Tammy?
An estimated 282,666 people in the United States have the first name Tammy. While not in the top 50, it remains a well-known name ranking #179 overall. It is almost exclusively a female name. The average bearer is 58 years old, and Tammy peaked in popularity in 1963 with 21,240 births that year.
Below you will find a full statistical profile of Tammy 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 Tammy paired with any surname.
Key Insights
- While Tammy is overwhelmingly female, 1,392 male births have been registered with this name since 1880.
- Tammy has fallen dramatically from its peak in the 1960s. Recent registrations are less than 5% of what they were at the name's height.
Estimated Living Americans
282,666
About 1 in 1,213 people in the U.S.
Rarity
Common
Predicted Gender
Female
99.6% confidence
Average Age
58
years old
Peak Year
1963
21,240 births
Total Registered
333,366
since 1880
Gender Distribution for Tammy
Tammy is almost exclusively a female name. Out of 333,366 total births registered, 99.6% were female.
Tammy as a male name
Ranked #11,407 in 1999
5 male births in 1999
Peak: 1970 (87 births)
Tammy as a female name
Ranked #4,862 in 2024
28 female births in 2024
Peak: 1963 (21,193 births)
Tammy: Popularity Over Time
SSA records for Tammy span from the 1930s to the 2020s, covering 10 decades of naming data. The most popular decade for this name was the 1960s, when 182,838 babies were registered. Tammy has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Tammy by Decade
How has Tammy 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.
Tammy by State
Birth registrations for Tammy span all 51 states and territories in the SSA database. The highest counts are in California, Ohio, Texas. The lowest are in Alaska, Nevada, Wyoming. On average, about 6,468 Tammys were registered per state.
Tammy + Last Name Combinations
How many people share a full name with Tammy as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Tammy
Other first names starting with T with a similar number of bearers.
Tammy: Questions and Answers
How many people in the U.S. are named Tammy?
We estimate approximately 282,666 people named Tammy 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 1,213 Americans share this first name.
Is Tammy a common name?
Tammy is classified as "Common" and is more popular than 99.8% of all first names in the SSA database. A total of 333,366 births have been registered with this name since 1880.
When was Tammy most popular?
Tammy reached peak popularity in 1963, when 21,240 babies were given this name. The average age of a living person named Tammy is approximately 58 years old, reflecting when the name was most commonly given.
Is Tammy a female name?
Tammy is predominantly female. 99.6% of people with this name are female. See the gender breakdown above for full details.
How many Tammy Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Tammy Smith, Tammy Johnson, Tammy 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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