How common is the surname O'Mara?

4,792 people in the United States had the surname O'Mara in the 2010 Census, about 1 in every 64,429 Americans. It ranked 6,993rd of 162,253 surnames.

What ethnicity is the surname O'Mara?

In the 2010 Census, 91% of people named O'Mara identified as white (not Hispanic), and 4.2% as Hispanic or Latino (any race).

Who is the most famous person named O'Mara?

Kate O'Mara, British actress (1939–2014).

Where is the surname O'Mara most common?

Wikidata records people named O'Mara in the United Kingdom.

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

More common. 4,527 people carried it in the 2000 Census and 4,792 in 2010, up 5.9%.

The surname O'Mara

An Irish patronymic surname, carried by 4,792 people in the United States.

3 syllables Soundex O560

Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). O'Mara is more common than 95.7% of them.

Origin

Irish origin

A variant of O'Meara, from Irish Ó Meadhra (“descendant of Meadhair”).

O'Mara 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 4,792 people named O'Mara in the United States in 2010, about 1 in every 64,429 Americans. That is up 5.9% since 2000, when the Census counted 4,527.

#6,993

rank among US surnames

4,792

people in 2010

1.6

per 100,000 Americans

+5.9%

change since 2000 (was #6,842)

Rank	Surname	People	1 in
#6,987	Sidhu	4,795	64,389
#6,988	Ewell	4,794	64,402
#6,989	Mowry	4,793	64,416
#6,993	O'Mara	4,792	64,429
#6,995	Gillispie	4,791	64,443

Who is named O'Mara

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

91% of people named O'Mara identified as white (not Hispanic), 4.2% as Hispanic or Latino (any race) and 2.2% as Asian and Pacific Islander.

White (not Hispanic) 91%
Hispanic or Latino (any race) 4.2%
Asian and Pacific Islander 2.2%
Black (not Hispanic) 1.6%
Two or more races 1.0%
American Indian and Alaska Native 0.3%

Compare: most common surnames among white Americans.

Famous O'Maras

1 notable person on Wikidata, most written-about first

Kate O'Mara
British actress (1939–2014)

Spellings and sound-alikes

Useful when a record has your ancestor under another spelling

Surnames that sound like O'Mara

O'Mara has the Soundex code O560, the code US census indexes have used since the 1930s. Every surname with code O560.

Other Irish surnames

All 880 Irish surnames

Questions

Where does the surname O'Mara come from?: A variant of O'Meara, from Irish Ó Meadhra (“descendant of Meadhair”).
How common is the surname O'Mara?: 4,792 people in the United States had the surname O'Mara in the 2010 Census, about 1 in every 64,429 Americans. It ranked 6,993rd of 162,253 surnames.
What ethnicity is the surname O'Mara?: In the 2010 Census, 91% of people named O'Mara identified as white (not Hispanic), and 4.2% as Hispanic or Latino (any race).
Who is the most famous person named O'Mara?: Kate O'Mara, British actress (1939–2014).
Where is the surname O'Mara most common?: Wikidata records people named O'Mara in the United Kingdom.
What type of surname is O'Mara?: O'Mara is a patronymic surname, formed from a father’s (or ancestor’s) given name.
Is the surname O'Mara getting more or less common?: More common. 4,527 people carried it in the 2000 Census and 4,792 in 2010, up 5.9%.