How Many People Are Named Theodocia?
An estimated 3 people in the United States have the first name Theodocia. It is almost exclusively a female name. The average bearer is 79 years old, and Theodocia peaked in popularity in 1884 with 7 births that year.
Below you will find a full statistical profile of Theodocia 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 Theodocia paired with any surname.
Key Insights
- With an average bearer age of 79, Theodocia is a vintage name most associated with earlier generations. Most living bearers were born before 1957.
- Theodocia is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
3
About 1 in 114,251,446 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
79
years old
Peak Year
1884
7 births
Total Registered
54
since 1880
Gender Distribution for Theodocia
Theodocia is almost exclusively a female name. Out of 54 total births registered, 100.0% were female.
Theodocia as a female name
Ranked #5,312 in 1943
5 female births in 1943
Peak: 1884 (7 births)
Theodocia: Popularity Over Time
SSA records for Theodocia span from the 1880s to the 1940s, covering 5 decades of naming data. The most popular decade for this name was the 1910s, when 21 babies were registered. Theodocia has declined significantly from its peak in the 1910s. Recent registrations are a fraction of what they were at the name's height.
Theodocia by Decade
How has Theodocia 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.
Theodocia + Last Name Combinations
How many people share a full name with Theodocia as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Theodocia
Other first names starting with T with a similar number of bearers.
Theodocia: Questions and Answers
How many people in the U.S. are named Theodocia?
We estimate approximately 3 people named Theodocia 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 114,251,446 Americans share this first name.
Is Theodocia a common name?
Theodocia is classified as "Very Rare" and is more popular than 4.9% of all first names in the SSA database. A total of 54 births have been registered with this name since 1880.
When was Theodocia most popular?
Theodocia reached peak popularity in 1884, when 7 babies were given this name. The average age of a living person named Theodocia is approximately 79 years old, reflecting when the name was most commonly given.
Is Theodocia a female name?
Theodocia is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Theodocia Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Theodocia Smith, Theodocia Johnson, Theodocia 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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