How common is the last name Duffy?

37,556 people in the United States have the last name Duffy, about 1 in 7,959. It ranks #915 of 156,621 last names in the 2020 Census, tied with 1 other.

last name

DUFFY

#915

of 156,621 last names recorded in the 2020 Census

People
37,556
About
1 in 7,959
This common or more
38.7%
Who bears it

Of the 37,556 people with the last name Duffy, 88.1% reported their origin as White, 4.1% as Black and 3.6% as Hispanic or Latino. These count how people described themselves on the 2020 Census, not where the name comes from.

Exactly as common as Duffy

1 other last name also has 37,556 people.

#915 Blackburn · 37,556

Either side of Duffy

#914 Pugh · 37,613#915 Blackburn · 37,556#917 Kumar · 37,459#918 Rush · 37,453

Spelled almost the same

3 last names in the 2020 Census spelled within a letter or two of Duffy, most common first.

#2,198 Duff · 16,177#5,740 Duffey · 5,812#130,360 Duffe · 136

Also a first name

As a first name, Duffy ranks #18,842 of 53,615, with 568 people. As a baby name it peaked in 1961, with 26 births. See Duffy as a first name

Compare