LAST NAME · 2020 CENSUS
Brennan
Brennan is the 697th most common last name in the United States. In the 2020 Census, 47,806 people carried it, about 16.0 of every 100,000 people. Most people named Brennan are White.
WHO CARRIES THIS NAME · 2020
White91.7%
Hispanic3.4%
Multiracial2.9%
Asian American0.9%
Black0.9%
Native American0.2%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#744
39,794
2000
#642
48,296
2010
#701
49,238
2020
#697
47,806