NameCensus.
Rare

William Sanchez

There are approximately 4,749 people named William Sanchez living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 72,174 Americans.

This estimate combines SSA birth records for the first name William with Census Bureau frequency data for the surname Sanchez. Below you will find a breakdown of both names, including popularity trends, gender data, and Census demographics where available.

Expected bearers

4,749

1 in 72,174

Named William

2.3M

Alive today

Named Sanchez

697K

Alive today

US population

343M

Denominator

The first name William

Estimated living: 2.3M

Rarity: Very Common

Gender: Male

Peak year: 1947

Average age: 54

Top Census group: White (83.3%)

The surname Sanchez

Estimated bearers: 697K

Rarity: Very Common

Census rank: #25

Per 100K: 203.36

Top ancestry: Hispanic (92.4%)

First name trend

William: popularity over time

Year-by-year SSA birth registrations for the first name William. The peak year was 1947 with 67,155 births. The average person named William today is 54 years old.

Babies born per year

MaleFemale
017K34K50K67K18801900192019401960198020002020

Demographics

Ancestry and ethnicity for William

Self-reported race and ethnicity breakdown for people with the first name William, from the 2020 US Census Bureau first-name tables. The largest published group is White at 83.3%.

The bar chart below shows how people with the first name William described their own race and ethnicity on the 2020 Census form. These are self-reported numbers, and they describe the population who happened to carry the name William at the time of the Census. A first name does not determine a person's race or ethnicity.

  • White83.3% · 1,866,221
  • Black or African American6.9% · 153,992
  • Hispanic or Latino5.1% · 114,833
  • Two or more races2.8% · 61,725
  • Asian and Pacific Islander1.4% · 31,382
  • American Indian and Alaska Native0.5% · 11,959

Ethnicity

Ancestry of the Sanchez surname

Self-reported race and ethnicity breakdown for people with the surname Sanchez, from the 2020 US Census Bureau. The largest group is Hispanic at 92.4%.

The bar chart below shows how people with the surname Sanchez described their own race and ethnicity on the 2020 Census form. These are self-reported numbers, and they describe the population who happened to carry the surname Sanchez at the time of the Census. A surname does not determine a person's race or ethnicity.

  • Hispanic or Latino92.4% · 561,478
  • White5.2% · 31,353
  • Asian and Pacific Islander1.1% · 6,965
  • Black or African American0.5% · 3,195
  • American Indian and Alaska Native0.4% · 2,458
  • Two or more races0.4% · 2,399

Methodology

How we calculated this

The first name William has a living-bearer frequency of 0.6813% of the US population, based on 2,335,115 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).

Even though the Census Bureau now publishes first-name tables, we do not use that file as the main first-name input for this estimate. The latest first-name Census snapshot is from 2020, which makes it 6 years old today. Because Census first-name data is only released once every 10 years, SSA birth records plus CDC survival rates give a better current estimate of how many people are likely alive with the name William right now.

The surname Sanchez appears at a rate of 203.36 per 100,000 residents in the 2020 Census Bureau surname file, which translates to a frequency of 0.2034%.

Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 4,749 people with the full name William Sanchez. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.

Read the full methodology.

Related

Other people named William

Related

Other people with the surname Sanchez

FAQ

William Sanchez: questions and answers

How many people are named William Sanchez?

We estimate approximately 4,749 people in the United States share the full name William Sanchez. That works out to about 1 in 72,174 Americans. This is calculated by combining the first-name frequency (0.6813%) with the surname frequency (203.36 per 100K) against the current US population.

How rare is the name William Sanchez?

We classify William Sanchez as "Rare". About 1 in 72,174 Americans share this exact first and last name combination.

Is William a male or female name?

William is predominantly male. Out of 4,205,026 total SSA registrations, 99.6% were male and 0.4% were female. See the full William 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 2020 US Census Bureau decennial surname tables. Living-bearer estimates use CDC actuarial life tables to adjust for mortality. Read the full methodology.

How many people are called William Sanchez?

HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.

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