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