How Many People Are Named Micheal Oneil?

There are approximately 12 people named Micheal Oneil living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 28,562,862 Americans.

This estimate combines SSA birth records for the first name Micheal with Census Bureau frequency data for the surname Oneil. 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 28,562,862 Americans

Combination Rarity

Rare

Very Rare Very Common

First Name

Micheal

Last Name

Oneil

Micheal: Popularity Over Time

Year-by-year SSA birth registrations for the first name Micheal. The peak year was 1957 with 4,860 births. The average person named Micheal today is 54 years old.

Male

Female

Ancestry of the First Name Micheal

In the 2020 Census, the first name Micheal was most commonly recorded among people who identified as White (62.30%). The next largest recorded groups were Black (21.20%) and Hispanic (10.26%).

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

White

62.30%

Black

21.20%

Hispanic

10.26%

Asian/Pacific Islander

1.41%

American Indian/Alaska Native

1.37%

Two or More Races

3.46%

Ancestry of the Oneil Surname

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

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

85.46%

Black

6.20%

Hispanic

3.70%

Asian/Pacific Islander

0.78%

American Indian/Alaska Native

0.36%

Two or More Races

3.50%

How we calculated this

The first name "Micheal" has an estimated frequency of 0.0378% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.

The surname "Oneil" appears at a rate of 9.39 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 Micheal are likely to be alive now.

Multiplying these frequencies against the U.S. population of ~343 million gives 12 estimated people. This assumes first names and last names are statistically independent. Full methodology.

Other people named Micheal

Micheal Smith Micheal Johnson Micheal Williams Micheal Brown Micheal Jones Micheal Garcia Micheal Jordan

Other people with the surname Oneil

Michael Oneil James Oneil John Oneil David Oneil Robert Oneil William Oneil Martin Oneil Mike Oneil

Micheal Oneil: Questions and Answers

How many people are named Micheal Oneil?

We estimate approximately 12 people named Micheal Oneil are alive in the United States today. The first name Micheal is shared by 129,448 Americans, and the surname Oneil is shared by 32,174.

How rare is the name Micheal Oneil?

This name combination is classified as Rare, occurring at a rate of about 1 in 28,562,862 Americans. The first name Micheal is common and the surname Oneil is uncommon.

Is Micheal a male or female name?

Micheal is predominantly male, with 98.8% of bearers being male and 1.2% female. It peaked in popularity in 1957 and the average bearer today is 54 years old.

What does the Census say about the first name Micheal?

In the 2020 Census, the first name Micheal was most commonly recorded among people who identified as White (62.30%). The next largest recorded groups were Black (21.20%) and Hispanic (10.26%). 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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