How Many People Are Named Thelbert?
An estimated 271 people in the United States have the first name Thelbert. It is almost exclusively a male name. The average bearer is 75 years old, and Thelbert peaked in popularity in 1921 with 32 births that year.
Below you will find a full statistical profile of Thelbert 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 Thelbert paired with any surname.
Key Insights
- With an average bearer age of 75, Thelbert is a vintage name most associated with earlier generations. Most living bearers were born before 1961.
Estimated Living Americans
271
About 1 in 1,264,776 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
75
years old
Peak Year
1921
32 births
Total Registered
931
since 1880
Gender Distribution for Thelbert
Thelbert is almost exclusively a male name. Out of 931 total births registered, 100.0% were male.
Thelbert as a male name
Ranked #7,490 in 1985
5 male births in 1985
Peak: 1921 (32 births)
Thelbert: Popularity Over Time
SSA records for Thelbert span from the 1900s to the 1980s, covering 9 decades of naming data. The most popular decade for this name was the 1920s, when 230 babies were registered. Thelbert has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Thelbert by Decade
How has Thelbert 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.
Thelbert by State
Birth registrations for Thelbert span all 5 states and territories in the SSA database. The highest counts are in North Carolina, Texas, Virginia. The lowest are in Tennessee, Kentucky, Virginia. On average, about 20 Thelberts were registered per state.
Thelbert + Last Name Combinations
How many people share a full name with Thelbert as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Thelbert
Other first names starting with T with a similar number of bearers.
Thelbert: Questions and Answers
How many people in the U.S. are named Thelbert?
We estimate approximately 271 people named Thelbert 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 1,264,776 Americans share this first name.
Is Thelbert a common name?
Thelbert is classified as "Very Rare" and is more popular than 78.1% of all first names in the SSA database. A total of 931 births have been registered with this name since 1880.
When was Thelbert most popular?
Thelbert reached peak popularity in 1921, when 32 babies were given this name. The average age of a living person named Thelbert is approximately 75 years old, reflecting when the name was most commonly given.
Is Thelbert a male name?
Thelbert is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Thelbert Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Thelbert Smith, Thelbert Johnson, Thelbert 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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