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The surname O'Conner

An Irish surname, carried by 3,611 people in the United States.

3 syllables Soundex O256

O'Conner: #9,048 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#10Martinez#100Jimenez#1,000Archer O'Conner #9,048, 3,611 people O'Conner: #9,048 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#100Jimenez O'Conner #9,048, 3,611 people
Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). O'Conner is more common than 94.4% of them.

Origin

Irish origin

Variant of O'Connor.

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 3,611 people named O'Conner in the United States in 2010, about 1 in every 85,501 Americans. That is down 13% since 2000, when the Census counted 4,168.

#9,048
rank among US surnames
3,611
people in 2010
1.2
per 100,000 Americans
-13.4%
change since 2000 (was #7,368)
RankSurnamePeople1 in
#9,043Campion3,61485,430
#9,045Lieu3,61285,478
#9,048Castelan3,61185,501
#9,050Linehan3,61085,525
#9,054Borjas3,60985,549

Who is named O'Conner

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

79% of people named O'Conner identified as white (not Hispanic), 14% as Black (not Hispanic) and 3.1% as Hispanic or Latino (any race).

  • White (not Hispanic) 79%
  • Black (not Hispanic) 14%
  • Hispanic or Latino (any race) 3.1%
  • Two or more races 2.8%
  • Asian and Pacific Islander 0.7%
  • 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

Surnames that sound like O'Conner

O'Conner has the Soundex code O256, the code US census indexes have used since the 1930s. Every surname with code O256.

Other Irish surnames

Questions

Where does the surname O'Conner come from?
Variant of O'Connor.
How common is the surname O'Conner?
3,611 people in the United States had the surname O'Conner in the 2010 Census, about 1 in every 85,501 Americans. It ranked 9,048th of 162,253 surnames.
What ethnicity is the surname O'Conner?
In the 2010 Census, 79% of people named O'Conner identified as white (not Hispanic), and 14% as Black (not Hispanic).
Is the surname O'Conner getting more or less common?
Less common. 4,168 people carried it in the 2000 Census and 3,611 in 2010, down 13%.