How Many People Are Named Tennillie?
An estimated 6 people in the United States have the first name Tennillie. It is almost exclusively a female name. The average bearer is 53 years old, and Tennillie peaked in popularity in 1976 with 7 births that year.
Below you will find a full statistical profile of Tennillie 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 Tennillie paired with any surname.
Key Insights
- Tennillie is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
6
About 1 in 57,125,723 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
53
years old
Peak Year
1976
7 births
Total Registered
7
since 1880
Gender Distribution for Tennillie
Tennillie is almost exclusively a female name. Out of 7 total births registered, 100.0% were female.
Tennillie as a female name
Ranked #8,069 in 1976
7 female births in 1976
Peak: 1976 (7 births)
Tennillie: Popularity Over Time
Tennillie by Decade
How has Tennillie 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 | |
|---|---|---|---|---|
| 1970s | 7 | 0 | 7 | |
Tennillie + Last Name Combinations
How many people share a full name with Tennillie as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Tennillie
Other first names starting with T with a similar number of bearers.
Tennillie: Questions and Answers
How many people in the U.S. are named Tennillie?
We estimate approximately 6 people named Tennillie 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 57,125,723 Americans share this first name.
Is Tennillie a common name?
Tennillie is classified as "Very Rare" and is more popular than 22.3% of all first names in the SSA database. A total of 7 births have been registered with this name since 1880.
When was Tennillie most popular?
Tennillie reached peak popularity in 1976, when 7 babies were given this name. The average age of a living person named Tennillie is approximately 53 years old, reflecting when the name was most commonly given.
Is Tennillie a female name?
Tennillie is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Tennillie Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Tennillie Smith, Tennillie Johnson, Tennillie 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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