Guy Hamilton
There are approximately 34 people named Guy Hamilton living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 10,081,010 Americans.
This estimate combines SSA birth records for the first name Guy with Census Bureau frequency data for the surname Hamilton. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
34
1 in 10,081,010
Named Guy
50K
Alive today
Named Hamilton
234K
Alive today
US population
343M
Denominator
Estimated living: 50K
Rarity: Uncommon
Gender: Male
Peak year: 1957
Average age: 60
Estimated bearers: 234K
Rarity: Common
Census rank: #119
Per 100K: 68.39
Top ancestry: White (70.2%)
First name trend
Guy: popularity over time
Year-by-year SSA birth registrations for the first name Guy. The peak year was 1957 with 2,310 births. The average person named Guy today is 60 years old.
Babies born per year
Ethnicity
Ancestry of the Hamilton surname
Self-reported race and ethnicity breakdown for people with the surname Hamilton, from the 2010 US Census Bureau. The largest group is White at 70.2%.
- White70.2%
- Black or African American23.7%
- Hispanic or Latino2.5%
- Two or more races2.3%
- American Indian and Alaska Native0.8%
- Asian and Pacific Islander0.5%
Methodology
How we calculated this
The first name Guy has a living-bearer frequency of 0.0146% of the US population, based on 49,913 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Hamilton appears at a rate of 68.39 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0684%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 34 people with the full name Guy Hamilton. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Guy
Related
Other people with the surname Hamilton
FAQ
Guy Hamilton: questions and answers
How many people are named Guy Hamilton?
We estimate approximately 34 people in the United States share the full name Guy Hamilton. That works out to about 1 in 10,081,010 Americans. This is calculated by combining the first-name frequency (0.0146%) with the surname frequency (68.39 per 100K) against the current US population.
How rare is the name Guy Hamilton?
We classify Guy Hamilton as "Very Rare". About 1 in 10,081,010 Americans share this exact first and last name combination.
Is Guy a male or female name?
Guy is predominantly male. Out of 90,999 total SSA registrations, 99.5% were male and 0.5% were female. See the full Guy 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.