Explore the Family Name De Gennaro

The meaning of De Gennaro

Italian: variant of Di Gennaro. Some characteristic forenames: Italian Angelo, Luigi, Ciro, Domenic, Gennaro, Matteo, Sal, Carlo, Carmine, Corrado, Cosimo, Domenico.

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

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

Based on the Decennial U.S. Census, the popularity of the De Gennaro surname saw a slight dip between 2000 and 2010. In 2000, it was ranked as the 12,953rd most popular last name in the United States but dropped to the 13,360th by 2010, reflecting a change of -3.14%. Despite this, the actual count of individuals with the De Gennaro surname increased from 2,172 in 2000 to 2,281 in 2010, showing a growth of 5.02%. The proportion per 100,000 people also decreased slightly from 0.81 to 0.77 during the same period.

	2000	2010	Change
Rank	#12,953	#13,360	-3.14%
Count	2,172	2,281	5.02%
Proportion per 100k	0.81	0.77	-4.94%

Race and Ethnicity of people with the last name De Gennaro

Concerning ethnicity, the data from the Decennial U.S. Census shows that the majority of those with the De Gennaro surname identified as White, although this declined somewhat from 96.22% in 2000 to 93.34% in 2010. The percentage of De Gennaros identifying as Hispanic almost doubled from 2.12% in 2000 to 4.12% in 2010. There were also increases in the percentages of De Gennaros identifying as Asian/Pacific Islander (from 0.55% to 0.75%) and those identifying with two or more races (from 0.78% to 1.05%). Interestingly, identification within the Black and American Indian and Alaskan Native categories emerged in 2010, where they had been at 0% in 2000.

	2000	2010	Change
White	96.22%	93.34%	-2.99%
Hispanic	2.12%	4.12%	94.34%
Two or More Races	0.78%	1.05%	34.62%
Asian/Pacific Islander	0.55%	0.75%	36.36%
American Indian and Alaskan Native	0%	0.44%	0%
Black	0%	0.31%	0%