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