How Many People Are Named Thomasina?
An estimated 2,326 people in the United States have the first name Thomasina. It is almost exclusively a female name. The average bearer is 56 years old, and Thomasina peaked in popularity in 1966 with 85 births that year.
Below you will find a full statistical profile of Thomasina 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 Thomasina paired with any surname.
Estimated Living Americans
2,326
About 1 in 147,358 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
56
years old
Peak Year
1966
85 births
Total Registered
3,765
since 1880
Gender Distribution for Thomasina
Thomasina is almost exclusively a female name. Out of 3,765 total births registered, 100.0% were female.
Thomasina as a female name
Ranked #15,401 in 2019
6 female births in 2019
Peak: 1966 (85 births)
Thomasina: Popularity Over Time
SSA records for Thomasina span from the 1900s to the 2010s, covering 12 decades of naming data. The most popular decade for this name was the 1960s, when 591 babies were registered. Thomasina has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Thomasina by Decade
How has Thomasina 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.
Thomasina by State
Birth registrations for Thomasina span all 12 states and territories in the SSA database. The highest counts are in New York, South Carolina, Pennsylvania. The lowest are in Ohio, Alabama, Maryland. On average, about 130 Thomasinas were registered per state.
Thomasina + Last Name Combinations
How many people share a full name with Thomasina as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Thomasina
Other first names starting with T with a similar number of bearers.
Thomasina: Questions and Answers
How many people in the U.S. are named Thomasina?
We estimate approximately 2,326 people named Thomasina 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 147,358 Americans share this first name.
Is Thomasina a common name?
Thomasina is classified as "Rare" and is more popular than 94.3% of all first names in the SSA database. A total of 3,765 births have been registered with this name since 1880.
When was Thomasina most popular?
Thomasina reached peak popularity in 1966, when 85 babies were given this name. The average age of a living person named Thomasina is approximately 56 years old, reflecting when the name was most commonly given.
Is Thomasina a female name?
Thomasina is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Thomasina Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Thomasina Smith, Thomasina Johnson, Thomasina 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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