LAST NAME · 2020 CENSUS
Mcilwain
Mcilwain is the 10,736th most common last name in the United States. In the 2020 Census, 2,840 people carried it — about 1.0 of every 100,000 people. Most people named Mcilwain are White.
WHO CARRIES THIS NAME · 2020
White61.9%
Black31.4%
Multiracial3.3%
Hispanic2.7%
Asian American0.4%
Native American0.3%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#7,662
2,487
2000
#10,327
2,859
2010
#10,657
3,002
2020
#10,736
2,840