How common is the surname Kirwan?

2,424 people in the United States had the surname Kirwan in the 2010 Census, about 1 in every 127,370 Americans. It ranked 12,732nd of 162,253 surnames.

What ethnicity is the surname Kirwan?

In the 2010 Census, 91% of people named Kirwan identified as white (not Hispanic), and 2.7% as Hispanic or Latino (any race).

How do you pronounce Kirwan?

Kirwan is /ˈkɜː(ɹ)wən/, 2 syllables.

Is the surname Kirwan getting more or less common?

More common. 2,294 people carried it in the 2000 Census and 2,424 in 2010, up 5.7%.

The surname Kirwan

An Irish patronymic surname, carried by 2,424 people in the United States.

Pronounced /ˈkɜː(ɹ)wən/ 2 syllables Soundex K650

Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). Kirwan is more common than 92.2% of them.

Origin

Irish origin

Anglicized form of Irish Ó Ciardhubháin (“descendant of Ciardhubhán”), a personal name composed of ciar (“dark”) + dubh (“black”) + the suffix -an.

Kirwan 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 2,424 people named Kirwan in the United States in 2010, about 1 in every 127,370 Americans. That is up 5.7% since 2000, when the Census counted 2,294.

#12,732

rank among US surnames

2,424

people in 2010

0.8

per 100,000 Americans

+5.7%

change since 2000 (was #12,410)

Rank	Surname	People	1 in
#12,724	Palmeri	2,426	127,265
#12,729	McLennan	2,425	127,318
#12,732	Nishimura	2,424	127,370
#12,740	Bracamonte	2,423	127,423

Who is named Kirwan

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

91% of people named Kirwan identified as white (not Hispanic), 2.7% as Hispanic or Latino (any race) and 2.2% as Black (not Hispanic).

White (not Hispanic) 91%
Hispanic or Latino (any race) 2.7%
Black (not Hispanic) 2.2%
Asian and Pacific Islander 1.6%
Two or more races 1.6%
American Indian and Alaska Native 0.4%

Compare: most common surnames among white Americans.

Spellings and sound-alikes

Useful when a record has your ancestor under another spelling

Variant spellings

Kerwin

Surnames that sound like Kirwan

Kirwan has the Soundex code K650, the code US census indexes have used since the 1930s. Every surname with code K650.

Other Irish surnames

All 880 Irish surnames

Questions

Where does the surname Kirwan come from?: Anglicized form of Irish Ó Ciardhubháin (“descendant of Ciardhubhán”), a personal name composed of ciar (“dark”) + dubh (“black”) + the suffix -an.
How common is the surname Kirwan?: 2,424 people in the United States had the surname Kirwan in the 2010 Census, about 1 in every 127,370 Americans. It ranked 12,732nd of 162,253 surnames.
What ethnicity is the surname Kirwan?: In the 2010 Census, 91% of people named Kirwan identified as white (not Hispanic), and 2.7% as Hispanic or Latino (any race).
How do you pronounce Kirwan?: Kirwan is /ˈkɜː(ɹ)wən/, 2 syllables.
What type of surname is Kirwan?: Kirwan is a patronymic surname, formed from a father’s (or ancestor’s) given name.
Is the surname Kirwan getting more or less common?: More common. 2,294 people carried it in the 2000 Census and 2,424 in 2010, up 5.7%.
What are other spellings of Kirwan?: Kerwin.