How Many People Are Named Zacharia Kinyanjui?

There are approximately 1 people named Zacharia Kinyanjui 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 Zacharia with Census Bureau frequency data for the surname Kinyanjui. 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

Zacharia

Last Name

Kinyanjui

Zacharia: Popularity Over Time

Year-by-year SSA birth registrations for the first name Zacharia. The peak year was 2000 with 62 births. The average person named Zacharia today is 27 years old.

Male

Female

Ancestry of the First Name Zacharia

In the 2020 Census, the first name Zacharia was most commonly recorded among people who identified as White (58.20%). The next largest recorded groups were Black (17.52%) and Hispanic (11.26%).

These percentages describe the people who had the first name Zacharia 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 Zacharia rose or fell over time.

White

58.20%

Black

17.52%

Hispanic

11.26%

Asian/Pacific Islander

4.32%

American Indian/Alaska Native

1.56%

Two or More Races

7.13%

Ancestry of the Kinyanjui Surname

The surname Kinyanjui was most commonly recorded among people who identified as Black in the 2020 Census.

This is a self-reported race and ethnicity breakdown for people who had the surname Kinyanjui 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

3.82%

Black

91.77%

Hispanic

0.60%

Asian/Pacific Islander

0.60%

Two or More Races

3.21%

How we calculated this

The first name "Zacharia" has an estimated frequency of < 0.0001% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.

The surname "Kinyanjui" appears at a rate of 0.17 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 Zacharia 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 Zacharia

Zacharia Smith Zacharia Johnson Zacharia Williams Zacharia Jones Zacharia Brown Zacharia Garcia

Other people with the surname Kinyanjui

Michael Kinyanjui James Kinyanjui Robert Kinyanjui David Kinyanjui John Kinyanjui William Kinyanjui Diala Kinyanjui

Zacharia Kinyanjui: Questions and Answers

How many people are named Zacharia Kinyanjui?

We estimate approximately 1 people named Zacharia Kinyanjui are alive in the United States today. The first name Zacharia is shared by 1,698 Americans, and the surname Kinyanjui is shared by 571.

How rare is the name Zacharia Kinyanjui?

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

Is Zacharia a male or female name?

Zacharia is predominantly male, with 98.7% of bearers being male and 1.3% female. It peaked in popularity in 2000 and the average bearer today is 27 years old.

What does the Census say about the first name Zacharia?

In the 2020 Census, the first name Zacharia was most commonly recorded among people who identified as White (58.20%). The next largest recorded groups were Black (17.52%) and Hispanic (11.26%). 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.

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