How common is the surname O'Halloran?

3,289 people in the United States had the surname O'Halloran in the 2010 Census, about 1 in every 93,872 Americans. It ranked 9,839th of 162,253 surnames.

What ethnicity is the surname O'Halloran?

In the 2010 Census, 93% of people named O'Halloran identified as white (not Hispanic), and 3.7% as Hispanic or Latino (any race).

Who is the most famous person named O'Halloran?

Brian O'Halloran, American actor and producer, followed by Jack O'Halloran.

Where is the surname O'Halloran most common?

Wikidata records people named O'Halloran in the United States and Australia.

Is the surname O'Halloran getting more or less common?

More common. 3,128 people carried it in the 2000 Census and 3,289 in 2010, up 5.1%.

The surname O'Halloran

An Irish surname, carried by 3,289 people in the United States.

4 syllables Soundex O465

Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). O'Halloran is more common than 93.9% of them.

Origin

Irish origin

Variant of Halloran.

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 3,289 people named O'Halloran in the United States in 2010, about 1 in every 93,872 Americans. That is up 5.1% since 2000, when the Census counted 3,128.

#9,839

rank among US surnames

3,289

people in 2010

1.1

per 100,000 Americans

+5.1%

change since 2000 (was #9,531)

Rank	Surname	People	1 in
#9,833	Starrett	3,293	93,758
#9,834	Mauer	3,292	93,787
#9,836	Depasquale	3,290	93,844
#9,839	Riccardi	3,289	93,872
#9,844	Schuetz	3,288	93,901
#9,845	Buzzard	3,287	93,929

Who is named O'Halloran

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

93% of people named O'Halloran identified as white (not Hispanic), 3.7% as Hispanic or Latino (any race) and 1.3% as two or more races.

White (not Hispanic) 93%
Hispanic or Latino (any race) 3.7%
Two or more races 1.3%
Asian and Pacific Islander 1.0%

The Census suppresses very small shares to protect privacy; Black, Native American are not shown.

Compare: most common surnames among white Americans.

Famous O'Hallorans

4 notable people on Wikidata, most written-about first

Brian O'Halloran
American actor and producer, born 1969
Jack O'Halloran
American boxer, actor, born 1943
Dustin O'Halloran
American musician, born 1971
Kevin O'Halloran
Australian swimmer, Olympic gold medallist (1937–1976)

Notable O'Hallorans come mostly from the United States (3) and Australia (1).

Other Irish surnames

All 880 Irish surnames

Questions

Where does the surname O'Halloran come from?: Variant of Halloran.
How common is the surname O'Halloran?: 3,289 people in the United States had the surname O'Halloran in the 2010 Census, about 1 in every 93,872 Americans. It ranked 9,839th of 162,253 surnames.
What ethnicity is the surname O'Halloran?: In the 2010 Census, 93% of people named O'Halloran identified as white (not Hispanic), and 3.7% as Hispanic or Latino (any race).
Who is the most famous person named O'Halloran?: Brian O'Halloran, American actor and producer, followed by Jack O'Halloran.
Where is the surname O'Halloran most common?: Wikidata records people named O'Halloran in the United States and Australia.
Is the surname O'Halloran getting more or less common?: More common. 3,128 people carried it in the 2000 Census and 3,289 in 2010, up 5.1%.