Marion Byron
There are approximately 1 people named Marion Byron 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 Marion with Census Bureau frequency data for the surname Byron. 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 Marion
61K
Alive today
Named Byron
7.7K
Alive today
US population
343M
Denominator
Estimated living: 61K
Rarity: Uncommon
Gender: Unisex
Peak year: 1924
Average age: 66
Estimated bearers: 7.7K
Rarity: Rare
Census rank: #5,275
Per 100K: 2.24
Top ancestry: White (78.4%)
First name trend
Marion: popularity over time
Year-by-year SSA birth registrations for the first name Marion. The peak year was 1924 with 7,660 births. The average person named Marion today is 66 years old.
Babies born per year
Ethnicity
Ancestry of the Byron surname
Self-reported race and ethnicity breakdown for people with the surname Byron, from the 2010 US Census Bureau. The largest group is White at 78.4%.
- White78.4%
- Black or African American15.3%
- Hispanic or Latino3.4%
- Two or more races1.6%
- Asian and Pacific Islander0.8%
- American Indian and Alaska Native0.5%
Methodology
How we calculated this
The first name Marion has a living-bearer frequency of 0.0177% of the US population, based on 60,518 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Byron appears at a rate of 2.24 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0022%.
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 Marion Byron. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Marion
Related
Other people with the surname Byron
FAQ
Marion Byron: questions and answers
How many people are named Marion Byron?
We estimate approximately 1 people in the United States share the full name Marion Byron. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0177%) with the surname frequency (2.24 per 100K) against the current US population.
How rare is the name Marion Byron?
We classify Marion Byron as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Marion a male or female name?
Marion is predominantly unisex. Out of 261,565 total SSA registrations, 27.7% were male and 72.3% were female. See the full Marion 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.