How Many People Are Named Tammyjo?
An estimated 33 people in the United States have the first name Tammyjo. It is almost exclusively a female name. The average bearer is 56 years old, and Tammyjo peaked in popularity in 1977 with 7 births that year.
Below you will find a full statistical profile of Tammyjo as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, state-by-state birth registrations, and, when available, a 2020 Census snapshot showing who had the name at that point in time. You can also check how many people share the full name Tammyjo paired with any surname.
Key Insights
- Tammyjo is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
33
About 1 in 10,386,495 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
56
years old
Peak Year
1977
7 births
Total Registered
38
since 1880
Gender Distribution for Tammyjo
Tammyjo is almost exclusively a female name. Out of 38 total births registered, 100.0% were female.
Tammyjo as a female name
Ranked #8,339 in 1977
7 female births in 1977
Peak: 1977 (7 births)
Tammyjo: Popularity Over Time
SSA records for Tammyjo span from the 1960s to the 1970s, covering 2 decades of naming data. The most popular decade for this name was the 1960s, when 20 babies were registered. Tammyjo remains highly popular today, with recent registration numbers near its historical peak.
Tammyjo by Decade
How has Tammyjo 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.
Tammyjo + Last Name Combinations
How many people share a full name with Tammyjo as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Tammyjo
Other first names starting with T with a similar number of bearers.
Tammyjo: Questions and Answers
How many people in the U.S. are named Tammyjo?
We estimate approximately 33 people named Tammyjo 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 10,386,495 Americans share this first name.
Is Tammyjo a common name?
Tammyjo is classified as "Very Rare" and is more popular than 48% of all first names in the SSA database. A total of 38 births have been registered with this name since 1880.
When was Tammyjo most popular?
Tammyjo reached peak popularity in 1977, when 7 babies were given this name. The average age of a living person named Tammyjo is approximately 56 years old, reflecting when the name was most commonly given.
What does the SSA popularity chart show?
The popularity chart tracks birth registrations, not people currently alive. It shows how often Tammyjo was given to babies from 1880 through 2024, which is why it is the best tool on the page for seeing long-run naming trends.
Is Tammyjo a female name?
Tammyjo is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
Why can Tammyjo have a lot of living bearers even if it is not trendy now?
Because a name can build up a large population over many decades. Tammyjo peaked in 1977, and the average living bearer is about 56 years old, so a name can still have millions of living bearers even after it stops feeling current for newborns.
How many Tammyjo Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Tammyjo Smith, Tammyjo Johnson, Tammyjo 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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