LAST NAME · 2020 CENSUS
Kilby
Kilby is the 7,694th most common last name in the United States. In the 2020 Census, 4,148 people carried it — about 1.4 of every 100,000 people. Most people named Kilby are White.
WHO CARRIES THIS NAME · 2020
White86.6%
Black5.4%
Multiracial4.0%
Hispanic3.2%
Asian American0.6%
Native American0.3%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#8,128
2,487
2000
#7,068
4,363
2010
#7,534
4,412
2020
#7,694
4,148