How common is the surname McKiernan?

2,097 people in the United States had the surname McKiernan in the 2010 Census, about 1 in every 147,232 Americans. It ranked 14,279th of 162,253 surnames.

What ethnicity is the surname McKiernan?

In the 2010 Census, 94% of people named McKiernan identified as white (not Hispanic), and 3.2% as Hispanic or Latino (any race).

Who is the most famous person named McKiernan?

John S. McKiernan, American judge (1911–1997).

Where is the surname McKiernan most common?

Wikidata records people named McKiernan in the United States.

Is the surname McKiernan getting more or less common?

More common. 1,970 people carried it in the 2000 Census and 2,097 in 2010, up 6.4%.

The surname McKiernan

An Irish patronymic surname, carried by 2,097 people in the United States.

3 syllables Soundex M265

Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). McKiernan is more common than 91.2% of them.

Origin

Irish origin

Anglicized form of Irish Mac Thighearnáin (“son of Thighearnán”), a diminutive of tighearna (“lord, master”).

McKiernan 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 2,097 people named McKiernan in the United States in 2010, about 1 in every 147,232 Americans. That is up 6.4% since 2000, when the Census counted 1,970.

#14,279

rank among US surnames

2,097

people in 2010

0.7

per 100,000 Americans

+6.4%

change since 2000 (was #14,038)

Rank	Surname	People	1 in
#14,274	Gillian	2,098	147,162
#14,279	Wiersma	2,097	147,232
#14,286	Lusby	2,096	147,302

Who is named McKiernan

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

94% of people named McKiernan identified as white (not Hispanic), 3.2% as Hispanic or Latino (any race) and 1.1% as two or more races.

White (not Hispanic) 94%
Hispanic or Latino (any race) 3.2%
Two or more races 1.1%
Asian and Pacific Islander 0.7%
Black (not Hispanic) 0.3%
American Indian and Alaska Native 0.2%

Compare: most common surnames among white Americans.

Famous McKiernans

1 notable person on Wikidata, most written-about first

John S. McKiernan
American judge (1911–1997)

Spellings and sound-alikes

Useful when a record has your ancestor under another spelling

Surnames that sound like McKiernan

McKiernan has the Soundex code M265, the code US census indexes have used since the 1930s. Every surname with code M265.

Other Irish surnames

All 880 Irish surnames

Questions

Where does the surname McKiernan come from?: Anglicized form of Irish Mac Thighearnáin (“son of Thighearnán”), a diminutive of tighearna (“lord, master”).
How common is the surname McKiernan?: 2,097 people in the United States had the surname McKiernan in the 2010 Census, about 1 in every 147,232 Americans. It ranked 14,279th of 162,253 surnames.
What ethnicity is the surname McKiernan?: In the 2010 Census, 94% of people named McKiernan identified as white (not Hispanic), and 3.2% as Hispanic or Latino (any race).
Who is the most famous person named McKiernan?: John S. McKiernan, American judge (1911–1997).
Where is the surname McKiernan most common?: Wikidata records people named McKiernan in the United States.
What type of surname is McKiernan?: McKiernan is a patronymic surname, formed from a father’s (or ancestor’s) given name.
Is the surname McKiernan getting more or less common?: More common. 1,970 people carried it in the 2000 Census and 2,097 in 2010, up 6.4%.