LAST NAME · 2020 CENSUS
Duffy
Duffy is the 915th most common last name in the United States. In the 2020 Census, 37,556 people carried it, about 12.6 of every 100,000 people. Most people named Duffy are White.
WHO CARRIES THIS NAME · 2020
White88.1%
Black4.1%
Hispanic3.6%
Multiracial2.8%
Asian American0.9%
Native American0.5%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#889
32,332
2000
#827
37,962
2010
#892
38,835
2020
#915
37,556