Diarmuid Mcmanus
There are approximately 1 people named Diarmuid Mcmanus 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 Diarmuid with Census Bureau frequency data for the surname Mcmanus. Below you will find a breakdown of both names, including popularity trends, gender data, and Census demographics where available.
Expected bearers
1
1 in 342,754,338
Named Diarmuid
11
Alive today
Named Mcmanus
26K
Alive today
US population
343M
Denominator
Estimated living: 11
Rarity: Very Rare
Gender: Male
Peak year: 2013
Average age: 15
Estimated bearers: 26K
Rarity: Uncommon
Census rank: #1,546
Per 100K: 7.57
Top ancestry: White (87.4%)
First name trend
Diarmuid: popularity over time
Year-by-year SSA birth registrations for the first name Diarmuid. The peak year was 2013 with 6 births. The average person named Diarmuid today is 15 years old.
Babies born per year
Ethnicity
Ancestry of the Mcmanus surname
Self-reported race and ethnicity breakdown for people with the surname Mcmanus, from the 2020 US Census Bureau. The largest group is White at 87.4%.
The bar chart below shows how people with the surname Mcmanus 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 Mcmanus at the time of the Census. A surname does not determine a person's race or ethnicity.
- White87.4% · 19,784
- Black or African American5.0% · 1,141
- Hispanic or Latino3.6% · 805
- Two or more races2.8% · 644
- Asian and Pacific Islander0.8% · 191
- American Indian and Alaska Native0.3% · 73
Methodology
How we calculated this
The first name Diarmuid has a living-bearer frequency of 0.0000% of the US population, based on 11 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Mcmanus appears at a rate of 7.57 per 100,000 residents in the 2020 Census Bureau surname file, which translates to a frequency of 0.0076%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 1 people with the full name Diarmuid Mcmanus. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people with the surname Mcmanus
FAQ
Diarmuid Mcmanus: questions and answers
How many people are named Diarmuid Mcmanus?
We estimate approximately 1 people in the United States share the full name Diarmuid Mcmanus. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0000%) with the surname frequency (7.57 per 100K) against the current US population.
How rare is the name Diarmuid Mcmanus?
We classify Diarmuid Mcmanus as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Diarmuid a male or female name?
Diarmuid is predominantly male. Out of 11 total SSA registrations, 100.0% were male and 0.0% were female. See the full Diarmuid 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 Diarmuid Mcmanus?
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.