How Many People Are Named Theodoro?
An estimated 239 people in the United States have the first name Theodoro. It is almost exclusively a male name. The average bearer is 24 years old, and Theodoro peaked in popularity in 2024 with 26 births that year.
Below you will find a full statistical profile of Theodoro 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 Theodoro paired with any surname.
Estimated Living Americans
239
About 1 in 1,434,119 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
24
years old
Peak Year
2024
26 births
Total Registered
266
since 1880
Gender Distribution for Theodoro
Theodoro is almost exclusively a male name. Out of 266 total births registered, 100.0% were male.
Theodoro as a male name
Ranked #4,165 in 2024
26 male births in 2024
Peak: 2024 (26 births)
Theodoro: Popularity Over Time
SSA records for Theodoro span from the 1920s to the 2020s, covering 11 decades of naming data. The most popular decade for this name was the 2020s, when 94 babies were registered. Theodoro remains highly popular today, with recent registration numbers near its historical peak.
Theodoro by Decade
How has Theodoro 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.
Theodoro by State
Birth registrations for Theodoro span all 3 states and territories in the SSA database. The highest counts are in Texas, California, Massachusetts. The lowest are in Massachusetts, California, Texas. On average, about 8 Theodoros were registered per state.
Theodoro + Last Name Combinations
How many people share a full name with Theodoro as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Theodoro
Other first names starting with T with a similar number of bearers.
Theodoro: Questions and Answers
How many people in the U.S. are named Theodoro?
We estimate approximately 239 people named Theodoro 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 1,434,119 Americans share this first name.
Is Theodoro a common name?
Theodoro is classified as "Very Rare" and is more popular than 76.5% of all first names in the SSA database. A total of 266 births have been registered with this name since 1880.
When was Theodoro most popular?
Theodoro reached peak popularity in 2024, when 26 babies were given this name. The average age of a living person named Theodoro is approximately 24 years old, reflecting when the name was most commonly given.
Is Theodoro a male name?
Theodoro is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Theodoro Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Theodoro Smith, Theodoro Johnson, Theodoro 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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