How common is the surname McDermott?

30,528 people in the United States had the surname McDermott in the 2010 Census, about 1 in every 10,114 Americans. It ranked 1,151st of 162,253 surnames.

What ethnicity is the surname McDermott?

In the 2010 Census, 92% of people named McDermott identified as white (not Hispanic), and 2.7% as Hispanic or Latino (any race).

Who is the most famous person named McDermott?

Dylan McDermott, American actor, followed by Charlie McDermott.

Where is the surname McDermott most common?

Wikidata records people named McDermott in the United States, Australia and the United Kingdom.

Is the surname McDermott getting more or less common?

More common. 29,440 people carried it in the 2000 Census and 30,528 in 2010, up 3.7%.

The surname McDermott

An Irish patronymic surname, carried by 30,528 people in the United States.

3 syllables Soundex M236

Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). McDermott is more common than 99.3% of them.

Origin

Irish origin

Anglicized form of Irish Mac Diarmada (“son of Diarmaid”).

McDermott is a patronymic surname: formed from a father’s (or ancestor’s) given name.

One of 880 Irish surnames on this site.

Origin from Wiktionary (CC BY-SA 4.0).

How common it is

2010 US Census

There were 30,528 people named McDermott in the United States in 2010, about 1 in every 10,114 Americans. That is up 3.7% since 2000, when the Census counted 29,440.

#1,151

rank among US surnames

30,528

people in 2010

per 100,000 Americans

+3.7%

change since 2000 (was #1,086)

Rank	Surname	People	1 in
#1,143	Mackey	30,749	10,041
#1,144	Dodd	30,732	10,046
#1,145	Emerson	30,702	10,056
#1,147	Muniz	30,695	10,058
#1,148	Alston	30,693	10,059
#1,149	Maloney	30,671	10,066
#1,150	Childers	30,570	10,100

Who is named McDermott

Race and Hispanic origin as people reported it in the 2010 Census

92% of people named McDermott identified as white (not Hispanic), 2.7% as Hispanic or Latino (any race) and 2.6% as Black (not Hispanic).

White (not Hispanic) 92%
Hispanic or Latino (any race) 2.7%
Black (not Hispanic) 2.6%
Two or more races 1.4%
Asian and Pacific Islander 0.8%
American Indian and Alaska Native 0.3%

Compare: most common surnames among white Americans.

Famous McDermotts

16 notable people on Wikidata, most written-about first

Dylan McDermott
American actor, born 1961
Charlie McDermott
American actor (born 1990)
Doug McDermott
American basketball player (born 1992)
Terry McDermott
American speed skater (1940–2023)
Brian McDermott
Association football player and manager (born 1961)
Marc McDermott
Australian-American silent film actor (1881-1929)
Alice McDermott
American writer, novelist, essayist, born 1953
Keith McDermott
American actor, born 1953
Bobby McDermott
American basketball player (1914–1963)
Sean McDermott
American football coach (born 1974)
Ben McDermott
Australian cricketer, born 1994
Craig McDermott
Australian cricketer, born 1965

Notable McDermotts come mostly from the United States (12), Australia (3) and the United Kingdom (1).

Spellings and sound-alikes

Useful when a record has your ancestor under another spelling

Surnames that sound like McDermott

McDermott has the Soundex code M236, the code US census indexes have used since the 1930s. Every surname with code M236.

Other Irish surnames

All 880 Irish surnames

Questions

Where does the surname McDermott come from?: Anglicized form of Irish Mac Diarmada (“son of Diarmaid”).
How common is the surname McDermott?: 30,528 people in the United States had the surname McDermott in the 2010 Census, about 1 in every 10,114 Americans. It ranked 1,151st of 162,253 surnames.
What ethnicity is the surname McDermott?: In the 2010 Census, 92% of people named McDermott identified as white (not Hispanic), and 2.7% as Hispanic or Latino (any race).
Who is the most famous person named McDermott?: Dylan McDermott, American actor, followed by Charlie McDermott.
Where is the surname McDermott most common?: Wikidata records people named McDermott in the United States, Australia and the United Kingdom.
What type of surname is McDermott?: McDermott is a patronymic surname, formed from a father’s (or ancestor’s) given name.
Is the surname McDermott getting more or less common?: More common. 29,440 people carried it in the 2000 Census and 30,528 in 2010, up 3.7%.