How Many People Are Named Senai Williams?

There are approximately 2 people named Senai Williams living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 171,377,169 Americans.

This estimate combines SSA birth records for the first name Senai with Census Bureau frequency data for the surname Williams. 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 171,377,169 Americans

Combination Rarity

Very Rare

Very Rare Very Common

First Name

Senai

Last Name

Williams

Est. Bearers 1,790,492

Census Rank #3

Per 100K 522.38

Rarity Very Common

Senai: Popularity Over Time

Year-by-year SSA birth registrations for the first name Senai. The peak year was 2017 with 24 births. The average person named Senai today is 13 years old.

Male

Female

Ancestry of the First Name Senai

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

White

2.61%

Black

81.74%

Hispanic

10.72%

American Indian/Alaska Native

0.29%

Two or More Races

4.64%

Ancestry of the Williams Surname

The surname Williams 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 Williams 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

43.82%

Black

46.22%

Hispanic

3.50%

Asian/Pacific Islander

0.59%

American Indian/Alaska Native

0.78%

Two or More Races

5.08%

How we calculated this

The first name "Senai" 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 "Williams" appears at a rate of 522.38 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 Senai are likely to be alive now.

Multiplying these frequencies against the U.S. population of ~343 million gives 2 estimated people. This assumes first names and last names are statistically independent. Full methodology.

Other people named Senai

Senai Smith Senai Johnson Senai Jones Senai Brown Senai Garcia

Other people with the surname Williams

Michael Williams James Williams John Williams David Williams Robert Williams William Williams Christopher Williams Joseph Williams

Senai Williams: Questions and Answers

How many people are named Senai Williams?

We estimate approximately 2 people named Senai Williams are alive in the United States today. The first name Senai is shared by 309 Americans, and the surname Williams is shared by 1,790,492.

How rare is the name Senai Williams?

This name combination is classified as Very Rare, occurring at a rate of about 1 in 171,377,169 Americans. The first name Senai is very rare and the surname Williams is very common.

Is Senai a male or female name?

Senai is predominantly female, with 43.6% of bearers being male and 56.4% female. It peaked in popularity in 2017 and the average bearer today is 13 years old.

What does the Census say about the first name Senai?

In the 2020 Census, the first name Senai was most commonly recorded among people who identified as Black (81.74%). The next largest recorded groups were Hispanic (10.72%) and Two or More Races (4.64%). 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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