How Many People Are Named Thora Birch?
There are approximately 1 people named Thora Birch living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 342,754,338 Americans.
This estimate combines SSA birth records for the first name Thora with Census Bureau frequency data for the surname Birch. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
1
1 in 342,754,338 Americans
Combination Rarity
Very Rare
First Name
View full profileThora
Last Name
View full profileBirch
Thora: Popularity Over Time
Year-by-year SSA birth registrations for the first name Thora. The peak year was 1916 with 72 births. The average person named Thora today is 31 years old.
Ancestry of the Birch Surname
Self-reported race and ethnicity breakdown for people with the surname Birch, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Thora" has an estimated frequency of < 0.0001% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Birch" appears at a rate of 4.12 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 1 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Thora Birch: Questions and Answers
How many people are named Thora Birch?
We estimate approximately 1 people named Thora Birch are alive in the United States today. The first name Thora is shared by 763 Americans, and the surname Birch is shared by 13,839.
How rare is the name Thora Birch?
This name combination is classified as Very Rare, occurring at a rate of about 1 in 342,754,338 Americans. The first name Thora is very rare and the surname Birch is uncommon.
Is Thora a male or female name?
Thora is predominantly female, with 0.0% of bearers being male and 100.0% female. It peaked in popularity in 1916 and the average bearer today is 31 years old.
Where does this data come from?
First name data comes from the Social Security Administration (1880 to 2024), adjusted for survival using CDC 2023 life tables. Surname data comes from the 2010 U.S. Census Bureau. Full methodology.
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