LAST NAME · 2020 CENSUS
Grennon
Grennon is the 108,023rd most common last name in the United States. In the 2020 Census, 175 people carried it — about 0.1 of every 100,000 people. Most people named Grennon are White.
WHO CARRIES THIS NAME · 2020
White88.0%
Multiracial6.3%
Hispanic2.9%
Black1.7%
Native American1.1%
Asian American0.0%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#51,562
0
2000
#99,214
169
2010
#111,988
157
2020
#108,023
175