Carlos Guillen
There are approximately 28 people named Carlos Guillen living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 12,241,226 Americans.
This estimate combines SSA birth records for the first name Carlos with Census Bureau frequency data for the surname Guillen. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
28
1 in 12,241,226
Named Carlos
276K
Alive today
Named Guillen
35K
Alive today
US population
343M
Denominator
Estimated living: 276K
Rarity: Common
Gender: Male
Peak year: 2001
Average age: 34
Estimated bearers: 35K
Rarity: Uncommon
Census rank: #1,166
Per 100K: 10.22
Top ancestry: Hispanic (93.6%)
First name trend
Carlos: popularity over time
Year-by-year SSA birth registrations for the first name Carlos. The peak year was 2001 with 6,864 births. The average person named Carlos today is 34 years old.
Babies born per year
Ethnicity
Ancestry of the Guillen surname
Self-reported race and ethnicity breakdown for people with the surname Guillen, from the 2010 US Census Bureau. The largest group is Hispanic at 93.6%.
- Hispanic or Latino93.6%
- White4.7%
- Asian and Pacific Islander0.9%
- Black or African American0.3%
- Two or more races0.2%
- American Indian and Alaska Native0.2%
Methodology
How we calculated this
The first name Carlos has a living-bearer frequency of 0.0806% of the US population, based on 276,351 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Guillen appears at a rate of 10.22 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0102%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 28 people with the full name Carlos Guillen. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Carlos
Related
Other people with the surname Guillen
FAQ
Carlos Guillen: questions and answers
How many people are named Carlos Guillen?
We estimate approximately 28 people in the United States share the full name Carlos Guillen. That works out to about 1 in 12,241,226 Americans. This is calculated by combining the first-name frequency (0.0806%) with the surname frequency (10.22 per 100K) against the current US population.
How rare is the name Carlos Guillen?
We classify Carlos Guillen as "Very Rare". About 1 in 12,241,226 Americans share this exact first and last name combination.
Is Carlos a male or female name?
Carlos is predominantly male. Out of 306,621 total SSA registrations, 99.3% were male and 0.7% were female. See the full Carlos 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.