LAST NAME · 2020 CENSUS
Mahaffy
Mahaffy is the 31,903rd most common last name in the United States. In the 2020 Census, 776 people carried it — about 0.3 of every 100,000 people. Most people named Mahaffy are White.
WHO CARRIES THIS NAME · 2020
White89.9%
Hispanic4.9%
Black2.3%
Multiracial2.2%
Asian American0.6%
Native American0.0%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#40,011
0
2000
#29,625
750
2010
#28,618
833
2020
#31,903
776