Francis Lyon
There are approximately 12 people named Francis Lyon living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 28,562,862 Americans.
This estimate combines SSA birth records for the first name Francis with Census Bureau frequency data for the surname Lyon. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
12
1 in 28,562,862
Named Francis
123K
Alive today
Named Lyon
32K
Alive today
US population
343M
Denominator
Estimated living: 123K
Rarity: Common
Gender: Male
Peak year: 1918
Average age: 60
Estimated bearers: 32K
Rarity: Uncommon
Census rank: #1,271
Per 100K: 9.39
Top ancestry: White (91.8%)
First name trend
Francis: popularity over time
Year-by-year SSA birth registrations for the first name Francis. The peak year was 1918 with 7,000 births. The average person named Francis today is 60 years old.
Babies born per year
Ethnicity
Ancestry of the Lyon surname
Self-reported race and ethnicity breakdown for people with the surname Lyon, from the 2010 US Census Bureau. The largest group is White at 91.8%.
- White91.8%
- Black or African American3.0%
- Hispanic or Latino2.4%
- Two or more races1.6%
- Asian and Pacific Islander0.7%
- American Indian and Alaska Native0.5%
Methodology
How we calculated this
The first name Francis has a living-bearer frequency of 0.0358% of the US population, based on 122,838 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Lyon appears at a rate of 9.39 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0094%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 12 people with the full name Francis Lyon. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Francis
Related
Other people with the surname Lyon
FAQ
Francis Lyon: questions and answers
How many people are named Francis Lyon?
We estimate approximately 12 people in the United States share the full name Francis Lyon. That works out to about 1 in 28,562,862 Americans. This is calculated by combining the first-name frequency (0.0358%) with the surname frequency (9.39 per 100K) against the current US population.
How rare is the name Francis Lyon?
We classify Francis Lyon as "Very Rare". About 1 in 28,562,862 Americans share this exact first and last name combination.
Is Francis a male or female name?
Francis is predominantly male. Out of 319,430 total SSA registrations, 90.7% were male and 9.3% were female. See the full Francis 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.