How Many People Are Named William Uchima?

There are approximately 1 people named William Uchima living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 342,754,338 Americans.

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

Estimated People with This Name

1 in 342,754,338 Americans

Combination Rarity

Very Rare

Very Rare Very Common

First Name

View full profile

William

Est. Living 2,335,115

Last Name

Uchima

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.

Male

Female

Ancestry of the First Name William

In the 2020 Census, the first name William was most commonly recorded among people who identified as White (83.31%). The next largest recorded groups were Black (6.87%) and Hispanic (5.13%).

These percentages describe the people who had the first name William in the 2020 Census. They do not tell you the deeper origin or meaning of the name itself.

Read this as a snapshot of who already had the name in 2020, not as a trend line. The SSA chart above is still the better way to see how William rose or fell over time.

White

83.31%

Black

6.87%

Hispanic

5.13%

Asian/Pacific Islander

1.40%

American Indian/Alaska Native

0.53%

Two or More Races

2.76%

Ancestry of the Uchima Surname

The surname Uchima was most commonly recorded among people who identified as Asian and Pacific Islander in the 2020 Census.

This is a self-reported race and ethnicity breakdown for people who had the surname Uchima in the published Census surname tables. It gives useful context around who was recorded with the name, but it does not tell the full family history of every Boone line.

White

6.45%

Hispanic

15.05%

Asian/Pacific Islander

63.44%

American Indian/Alaska Native

0.54%

Two or More Races

14.52%

How we calculated this

The first name "William" has an estimated frequency of 0.681% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.

The surname "Uchima" appears at a rate of 0.06 per 100,000 people in the 2020 U.S. Census.

We do not use the Census first-name snapshot for the main estimate because it is only published once every 10 years. The latest public first-name Census file is from 2020, which is already 6 years old. SSA birth records plus CDC survival data give a better current estimate of how many people with the first name William are likely to be alive now.

Multiplying these frequencies against the U.S. population of ~343 million gives 1 estimated people. This assumes first names and last names are statistically independent. Full methodology.

Other people named William

William Smith William Johnson William Williams William Brown William Jones William Garcia William Miller William Rodriguez

Other people with the surname Uchima

James Uchima Robert Uchima Michael Uchima John Uchima David Uchima

William Uchima: Questions and Answers

How many people are named William Uchima?

We estimate approximately 1 people named William Uchima are alive in the United States today. The first name William is shared by 2,335,115 Americans, and the surname Uchima is shared by 213.

How rare is the name William Uchima?

This name combination is classified as Very Rare, occurring at a rate of about 1 in 342,754,338 Americans. The first name William is very common and the surname Uchima is very rare.

Is William a male or female name?

William is predominantly male, with 99.6% of bearers being male and 0.4% female. It peaked in popularity in 1947 and the average bearer today is 54 years old.

What does the Census say about the first name William?

In the 2020 Census, the first name William was most commonly recorded among people who identified as White (83.31%). The next largest recorded groups were Black (6.87%) and Hispanic (5.13%). These percentages describe the people who had the name in the 2020 Census, not the deeper origin of the name itself.

Where does this data come from?

First name data comes from the Social Security Administration (1880 to 2024), adjusted for survival using CDC 2023 life tables. When available, first-name Census background data comes from the 2020 U.S. Census Bureau first-name tables. Surname data comes from the 2020 U.S. Census Bureau. Full methodology.

Try another name