How common is the surname Casey?

66,556 people in the United States had the surname Casey in the 2010 Census, about 1 in every 4,639 Americans. It ranked 504th of 162,253 surnames.

How do you pronounce Casey?

Casey is /ˈkeɪsi/, 2 syllables.

Is the surname Casey getting more or less common?

More common. 64,815 people carried it in the 2000 Census and 66,556 in 2010, up 2.7%.

Is Casey also a first name?

Yes. Casey is used as a first name as well as a surname; its first-name page has the meaning and how many babies were given it.

The surname Casey

An Irish patronymic surname, carried by 66,556 people in the United States.

Pronounced /ˈkeɪsi/ 2 syllables Soundex C200 Also a first name

Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). Casey is more common than 99.7% of them.

Origin

Irish origin

Anglicisation of an Irish surname Ó Cathasaigh (literally “descendant of (a person named) Watchful”).

Casey 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 66,556 people named Casey in the United States in 2010, about 1 in every 4,639 Americans. That is up 2.7% since 2000, when the Census counted 64,815.

#504

rank among US surnames

66,556

people in 2010

per 100,000 Americans

+2.7%

change since 2000 (was #463)

Rank	Surname	People	1 in
#495	Norman	67,704	4,560
#496	Person	67,411	4,580
#497	Colon	67,338	4,585
#498	Parsons	67,310	4,587
#499	Frank	67,304	4,587
#500	Harrington	66,959	4,611
#501	Glover	66,858	4,618

Who is named Casey

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

87% of people named Casey identified as white (not Hispanic), 7.5% as Black (not Hispanic) and 2.4% as Hispanic or Latino (any race).

White (not Hispanic) 87%
Black (not Hispanic) 7.5%
Hispanic or Latino (any race) 2.4%
Two or more races 1.9%
American Indian and Alaska Native 0.7%
Asian and Pacific Islander 0.7%

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 Casey

Casey has the Soundex code C200, the code US census indexes have used since the 1930s. Every surname with code C200.

Other Irish surnames

All 880 Irish surnames

Questions

Where does the surname Casey come from?: Anglicisation of an Irish surname Ó Cathasaigh (literally “descendant of (a person named) Watchful”).
How common is the surname Casey?: 66,556 people in the United States had the surname Casey in the 2010 Census, about 1 in every 4,639 Americans. It ranked 504th of 162,253 surnames.
What ethnicity is the surname Casey?: In the 2010 Census, 87% of people named Casey identified as white (not Hispanic), and 7.5% as Black (not Hispanic).
How do you pronounce Casey?: Casey is /ˈkeɪsi/, 2 syllables.
What type of surname is Casey?: Casey is a patronymic surname, formed from a father’s (or ancestor’s) given name.
Is the surname Casey getting more or less common?: More common. 64,815 people carried it in the 2000 Census and 66,556 in 2010, up 2.7%.
Is Casey also a first name?: Yes. Casey is used as a first name as well as a surname; its first-name page has the meaning and how many babies were given it.