Explore the Family Name Dioguardi

The meaning of Dioguardi

Italian: from a medieval personal name Dioguardi or Diotiguardi, meaning ‘God protect (you)’. Some characteristic forenames: Italian Nunzio, Alfonse, Claudio, Guido, Pietro, Raffaele, Vincenzo.

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

How common is the last name Dioguardi in the United States?

Based on the Decennial U.S. Census data, the surname Dioguardi has seen a slight increase in popularity in the United States between 2000 and 2010. In 2000, it was the 35,957th most common surname, with an estimated 590 individuals bearing the name, or about 0.22 per 100k people. By 2010, the rank rose to 35,016, showing a 2.62% change. The count of individuals with this surname also increased by 9.15% to 644 over the same period, while the proportion per 100k remained stable at 0.22.

	2000	2010	Change
Rank	#35,957	#35,016	2.62%
Count	590	644	9.15%
Proportion per 100k	0.22	0.22	0%

Race and Ethnicity of people with the last name Dioguardi

In terms of ethnic identity, the Decennial U.S. Census data shows that the majority of individuals with the Dioguardi surname identify as White, accounting for 96.27% in 2000 and 94.57% in 2010, marking a small decline of 1.77%. Meanwhile, those identifying as Hispanic saw a significant increase of 92.81%, rising from 1.53% in 2000 to 2.95% in 2010. The percentage of Dioguardis identifying with two or more races decreased by 34.45%, from 1.19% to 0.78%. There were no Dioguardis who identified as Asian/Pacific Islander or Black in either year. Interestingly, in 2010, 1.09% of Dioguardis identified as American Indian and Alaskan Native, a group not represented in the 2000 census data.

	2000	2010	Change
White	96.27%	94.57%	-1.77%
Hispanic	1.53%	2.95%	92.81%
American Indian and Alaskan Native	0%	1.09%	0%
Two or More Races	1.19%	0.78%	-34.45%
Asian/Pacific Islander	0%	0%	0%
Black	0%	0%	0%