Explore the Family Name De Lillo

The meaning of De Lillo

Italian: variant of Di Lillo. Some characteristic forenames: Italian Cono, Alessandra, Cosmo, Florindo, Gaetano, Riccardo, Rocco, Vito.

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

How common is the last name De Lillo in the United States?

Based on the Decennial U.S. Census data, the surname De Lillo experienced a slight decrease in popularity from 2000 to 2010. In 2000, De Lillo ranked 35,860th in terms of most common surnames, but fell to the 37,391st spot in 2010 which is a drop of about 4.27 percent. However, the number of individuals bearing the surname De Lillo marginally increased by 0.68 percent from 592 in 2000 to 596 in 2010. Its proportion per 100,000 people dipped by approximately 9.09 percent.

	2000	2010	Change
Rank	#35,860	#37,391	-4.27%
Count	592	596	0.68%
Proportion per 100k	0.22	0.2	-9.09%

Race and Ethnicity of people with the last name De Lillo

When it comes to ethnicity, the majority of individuals with the surname De Lillo identify as White, although this percentage decreased slightly from 95.27 percent in 2000 to 91.11 percent in 2010, according to the Decennial U.S. Census data. The Hispanic representation among those with the De Lillo surname significantly increased by 109.87 percent during the same period. There was also a modest increase in individuals who identified as belonging to two or more races, going up from 0.84 percent in 2000 to 1.17 percent in 2010. In 2010, there were no recorded individuals with the De Lillo surname identifying as Asian/Pacific Islander or American Indian and Alaskan Native, while the Black community saw a new occurrence at 0.84 percent.

	2000	2010	Change
White	95.27%	91.11%	-4.37%
Hispanic	3.04%	6.38%	109.87%
Two or More Races	0.84%	1.17%	39.29%
Black	0%	0.84%	0%
Asian/Pacific Islander	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%