Leo Fitzgerald
There are approximately 37 people named Leo Fitzgerald living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 9,263,631 Americans.
This estimate combines SSA birth records for the first name Leo with Census Bureau frequency data for the surname Fitzgerald. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
37
1 in 9,263,631
Named Leo
145K
Alive today
Named Fitzgerald
88K
Alive today
US population
343M
Denominator
Estimated living: 145K
Rarity: Common
Gender: Male
Peak year: 2022
Average age: 28
Estimated bearers: 88K
Rarity: Uncommon
Census rank: #430
Per 100K: 25.55
Top ancestry: White (86.3%)
First name trend
Leo: popularity over time
Year-by-year SSA birth registrations for the first name Leo. The peak year was 2022 with 8,322 births. The average person named Leo today is 28 years old.
Babies born per year
Ethnicity
Ancestry of the Fitzgerald surname
Self-reported race and ethnicity breakdown for people with the surname Fitzgerald, from the 2010 US Census Bureau. The largest group is White at 86.3%.
- White86.3%
- Black or African American8.8%
- Hispanic or Latino2.2%
- Two or more races1.6%
- Asian and Pacific Islander0.7%
- American Indian and Alaska Native0.3%
Methodology
How we calculated this
The first name Leo has a living-bearer frequency of 0.0423% of the US population, based on 144,829 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Fitzgerald appears at a rate of 25.55 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0256%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 37 people with the full name Leo Fitzgerald. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Leo
Related
Other people with the surname Fitzgerald
FAQ
Leo Fitzgerald: questions and answers
How many people are named Leo Fitzgerald?
We estimate approximately 37 people in the United States share the full name Leo Fitzgerald. That works out to about 1 in 9,263,631 Americans. This is calculated by combining the first-name frequency (0.0423%) with the surname frequency (25.55 per 100K) against the current US population.
How rare is the name Leo Fitzgerald?
We classify Leo Fitzgerald as "Very Rare". About 1 in 9,263,631 Americans share this exact first and last name combination.
Is Leo a male or female name?
Leo is predominantly male. Out of 253,873 total SSA registrations, 99.2% were male and 0.8% were female. See the full Leo 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.