How common is the surname Connolly?

29,710 people in the United States had the surname Connolly in the 2010 Census, about 1 in every 10,392 Americans. It ranked 1,190th of 162,253 surnames.

What ethnicity is the surname Connolly?

In the 2010 Census, 95% of people named Connolly identified as white (not Hispanic), and 2.1% as Hispanic or Latino (any race).

Who is the most famous person named Connolly?

James Connolly, American triple jumper (1868-1957), followed by Maureen Connolly.

Where is the surname Connolly most common?

Wikidata records people named Connolly in the United States, the United Kingdom and Australia.

Is the surname Connolly getting more or less common?

More common. 28,821 people carried it in the 2000 Census and 29,710 in 2010, up 3.1%.

The surname Connolly

An Irish surname, carried by 29,710 people in the United States.

3 syllables Soundex C540

Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). Connolly is more common than 99.3% of them.

Origin

Irish origin

Anglicization of Irish Ó Conghalaigh and Ó Conghaile, patronyms of Conghalach. Doublet of Conley

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 29,710 people named Connolly in the United States in 2010, about 1 in every 10,392 Americans. That is up 3.1% since 2000, when the Census counted 28,821.

#1,190

rank among US surnames

29,710

people in 2010

per 100,000 Americans

+3.1%

change since 2000 (was #1,116)

Rank	Surname	People	1 in
#1,181	Bacon	29,860	10,340
#1,182	Han	29,847	10,344
#1,183	Gibbons	29,824	10,352
#1,184	Mayfield	29,805	10,359
#1,185	Hoang	29,798	10,361
#1,186	Elder	29,796	10,362
#1,187	Lau	29,792	10,363

Who is named Connolly

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

95% of people named Connolly identified as white (not Hispanic), 2.1% as Hispanic or Latino (any race) and 1.2% as two or more races.

White (not Hispanic) 95%
Hispanic or Latino (any race) 2.1%
Two or more races 1.2%
Black (not Hispanic) 0.7%
Asian and Pacific Islander 0.7%
American Indian and Alaska Native 0.3%

Compare: most common surnames among white Americans.

Famous Connollys

12 notable people on Wikidata, most written-about first

James Connolly
American triple jumper (1868-1957)
Maureen Connolly
American tennis player (1934-1969)
Kristen Connolly
American film actress, born 1980
Kevin Connolly
American actor, born 1974
Cyril Connolly
British author (1903–1974)
Hal Connolly
American hammer thrower (1931–2010)
Gerry Connolly
American politician (1950–2025)
Walter Connolly
American actor (1887-1940)
Tim Connolly
American ice hockey player, born 1981
John Connolly
American guitarist, born 1968
Derek Connolly
American screenwriter and film producer, born 1976
Alan Connolly
Australian cricketer, born 1939

Notable Connollys come mostly from the United States (10), the United Kingdom (1) and Australia (1).

Spellings and sound-alikes

Useful when a record has your ancestor under another spelling

Variant spellings

Conolly

Surnames that sound like Connolly

Connolly has the Soundex code C540, the code US census indexes have used since the 1930s. Every surname with code C540.

Other Irish surnames

All 880 Irish surnames

Questions

Where does the surname Connolly come from?: Anglicization of Irish Ó Conghalaigh and Ó Conghaile, patronyms of Conghalach. Doublet of Conley
How common is the surname Connolly?: 29,710 people in the United States had the surname Connolly in the 2010 Census, about 1 in every 10,392 Americans. It ranked 1,190th of 162,253 surnames.
What ethnicity is the surname Connolly?: In the 2010 Census, 95% of people named Connolly identified as white (not Hispanic), and 2.1% as Hispanic or Latino (any race).
Who is the most famous person named Connolly?: James Connolly, American triple jumper (1868-1957), followed by Maureen Connolly.
Where is the surname Connolly most common?: Wikidata records people named Connolly in the United States, the United Kingdom and Australia.
Is the surname Connolly getting more or less common?: More common. 28,821 people carried it in the 2000 Census and 29,710 in 2010, up 3.1%.
What are other spellings of Connolly?: Conolly.