Mervyn Leroy
There are approximately 1 people named Mervyn Leroy 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 Mervyn with Census Bureau frequency data for the surname Leroy. 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 Mervyn
595
Alive today
Named Leroy
9.0K
Alive today
US population
343M
Denominator
Estimated living: 595
Rarity: Very Rare
Gender: Male
Peak year: 1937
Average age: 66
Estimated bearers: 9.0K
Rarity: Rare
Census rank: #4,571
Per 100K: 2.63
Top ancestry: White (78.1%)
First name trend
Mervyn: popularity over time
Year-by-year SSA birth registrations for the first name Mervyn. The peak year was 1937 with 55 births. The average person named Mervyn today is 66 years old.
Babies born per year
Ethnicity
Ancestry of the Leroy surname
Self-reported race and ethnicity breakdown for people with the surname Leroy, from the 2010 US Census Bureau. The largest group is White at 78.1%.
- White78.1%
- Black or African American13.2%
- Hispanic or Latino4.4%
- American Indian and Alaska Native2.1%
- Two or more races1.5%
- Asian and Pacific Islander0.7%
Methodology
How we calculated this
The first name Mervyn has a living-bearer frequency of 0.0002% of the US population, based on 595 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Leroy appears at a rate of 2.63 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0026%.
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 Mervyn Leroy. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
FAQ
Mervyn Leroy: questions and answers
How many people are named Mervyn Leroy?
We estimate approximately 1 people in the United States share the full name Mervyn Leroy. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0002%) with the surname frequency (2.63 per 100K) against the current US population.
How rare is the name Mervyn Leroy?
We classify Mervyn Leroy as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Mervyn a male or female name?
Mervyn is predominantly male. Out of 1,586 total SSA registrations, 99.7% were male and 0.3% were female. See the full Mervyn 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.