How common is the surname Kilroy?

2,371 people in the United States had the surname Kilroy in the 2010 Census, about 1 in every 130,217 Americans. It ranked 12,953rd of 162,253 surnames.

What ethnicity is the surname Kilroy?

In the 2010 Census, 95% of people named Kilroy identified as white (not Hispanic), and 2.2% as Hispanic or Latino (any race).

How do you pronounce Kilroy?

Kilroy is /ˈkɪlɹɔɪ/, 2 syllables.

Is the surname Kilroy getting more or less common?

More common. 2,289 people carried it in the 2000 Census and 2,371 in 2010, up 3.6%.

The surname Kilroy

An Irish surname, carried by 2,371 people in the United States.

Pronounced /ˈkɪlɹɔɪ/ 2 syllables Soundex K460

Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). Kilroy is more common than 92% of them.

Origin

Irish origin

Derived from Irish Mac Giolla Ruaidh.

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 2,371 people named Kilroy in the United States in 2010, about 1 in every 130,217 Americans. That is up 3.6% since 2000, when the Census counted 2,289.

#12,953

rank among US surnames

2,371

people in 2010

0.8

per 100,000 Americans

+3.6%

change since 2000 (was #12,437)

Rank	Surname	People	1 in
#12,944	Steffey	2,373	130,108
#12,948	Letson	2,372	130,163
#12,953	Silverberg	2,371	130,217
#12,961	Rine	2,370	130,272

Who is named Kilroy

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

95% of people named Kilroy identified as white (not Hispanic), 2.2% as Hispanic or Latino (any race) and 1.4% as two or more races.

White (not Hispanic) 95%
Hispanic or Latino (any race) 2.2%
Two or more races 1.4%
Asian and Pacific Islander 0.8%

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

Compare: most common surnames among white Americans.

Other Irish surnames

All 880 Irish surnames

Questions

Where does the surname Kilroy come from?: Derived from Irish Mac Giolla Ruaidh.
How common is the surname Kilroy?: 2,371 people in the United States had the surname Kilroy in the 2010 Census, about 1 in every 130,217 Americans. It ranked 12,953rd of 162,253 surnames.
What ethnicity is the surname Kilroy?: In the 2010 Census, 95% of people named Kilroy identified as white (not Hispanic), and 2.2% as Hispanic or Latino (any race).
How do you pronounce Kilroy?: Kilroy is /ˈkɪlɹɔɪ/, 2 syllables.
Is the surname Kilroy getting more or less common?: More common. 2,289 people carried it in the 2000 Census and 2,371 in 2010, up 3.6%.