Sergio Leone
There are approximately 4 people named Sergio Leone living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 85,688,585 Americans.
This estimate combines SSA birth records for the first name Sergio with Census Bureau frequency data for the surname Leone. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
4
1 in 85,688,585
Named Sergio
78K
Alive today
Named Leone
18K
Alive today
US population
343M
Denominator
Estimated living: 78K
Rarity: Uncommon
Gender: Male
Peak year: 1995
Average age: 30
Estimated bearers: 18K
Rarity: Uncommon
Census rank: #2,372
Per 100K: 5.21
Top ancestry: White (93.1%)
First name trend
Sergio: popularity over time
Year-by-year SSA birth registrations for the first name Sergio. The peak year was 1995 with 2,261 births. The average person named Sergio today is 30 years old.
Babies born per year
Ethnicity
Ancestry of the Leone surname
Self-reported race and ethnicity breakdown for people with the surname Leone, from the 2010 US Census Bureau. The largest group is White at 93.1%.
- White93.1%
- Hispanic or Latino3.5%
- Black or African American1.2%
- Two or more races1.0%
- Asian and Pacific Islander0.8%
- American Indian and Alaska Native0.5%
Methodology
How we calculated this
The first name Sergio has a living-bearer frequency of 0.0227% of the US population, based on 77,973 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Leone appears at a rate of 5.21 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0052%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 4 people with the full name Sergio Leone. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Sergio
FAQ
Sergio Leone: questions and answers
How many people are named Sergio Leone?
We estimate approximately 4 people in the United States share the full name Sergio Leone. That works out to about 1 in 85,688,585 Americans. This is calculated by combining the first-name frequency (0.0227%) with the surname frequency (5.21 per 100K) against the current US population.
How rare is the name Sergio Leone?
We classify Sergio Leone as "Very Rare". About 1 in 85,688,585 Americans share this exact first and last name combination.
Is Sergio a male or female name?
Sergio is predominantly male. Out of 81,512 total SSA registrations, 99.6% were male and 0.4% were female. See the full Sergio 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.