Roald Dahl
There are approximately 1 people named Roald Dahl 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 Roald with Census Bureau frequency data for the surname Dahl. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
1
1 in 342,754,338
Named Roald
36
Alive today
Named Dahl
25K
Alive today
US population
343M
Denominator
Estimated living: 36
Rarity: Very Rare
Gender: Male
Peak year: 1928
Average age: 80
Estimated bearers: 25K
Rarity: Uncommon
Census rank: #1,669
Per 100K: 7.32
Top ancestry: White (94.5%)
First name trend
Roald: popularity over time
Year-by-year SSA birth registrations for the first name Roald. The peak year was 1928 with 18 births. The average person named Roald today is 80 years old.
Babies born per year
Ethnicity
Ancestry of the Dahl surname
Self-reported race and ethnicity breakdown for people with the surname Dahl, from the 2010 US Census Bureau. The largest group is White at 94.5%.
- White94.5%
- Hispanic or Latino2.0%
- Two or more races1.6%
- Asian and Pacific Islander0.8%
- American Indian and Alaska Native0.7%
- Black or African American0.5%
Methodology
How we calculated this
The first name Roald has a living-bearer frequency of 0.0000% of the US population, based on 36 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Dahl appears at a rate of 7.32 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0073%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 1 people with the full name Roald Dahl. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people with the surname Dahl
FAQ
Roald Dahl: questions and answers
How many people are named Roald Dahl?
We estimate approximately 1 people in the United States share the full name Roald Dahl. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0000%) with the surname frequency (7.32 per 100K) against the current US population.
How rare is the name Roald Dahl?
We classify Roald Dahl as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Roald a male or female name?
Roald is predominantly male. Out of 189 total SSA registrations, 100.0% were male and 0.0% were female. See the full Roald profile for detailed gender data.
Where does this data come from?
First-name data comes from the Social Security Administration's national baby name files (1880 to 2024). Surname data comes from the 2010 US Census Bureau decennial surname tables. Living-bearer estimates use CDC actuarial life tables to adjust for mortality. Read the full methodology.