LAST NAME · 2020 CENSUS
Kirby
Kirby is the 641st most common last name in the United States. In the 2020 Census, 51,620 people carried it, about 17.3 of every 100,000 people. Most people named Kirby are White.
WHO CARRIES THIS NAME · 2020
White83.0%
Black8.9%
Multiracial3.9%
Hispanic2.9%
Native American0.7%
Asian American0.6%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#534
54,716
2000
#577
52,473
2010
#633
53,767
2020
#641
51,620