LAST NAME · 2020 CENSUS
Dennehy
Dennehy is the 16,566th most common last name in the United States. In the 2020 Census, 1,682 people carried it, about 0.6 of every 100,000 people. Most people named Dennehy are White.
WHO CARRIES THIS NAME · 2020
White90.5%
Hispanic4.6%
Multiracial2.2%
Asian American1.2%
Black0.9%
Native American0.5%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#19,233
0
2000
#15,780
1,696
2010
#16,544
1,735
2020
#16,566
1,682