Explore the Family Name D’addario

The meaning of D’addario

Italian: patronymic from the personal name Addario, adialect variant of Dario, associated chiefly with Apulia. Some characteristic forenames: Italian Carlo, Franco, Donato, Angelo, Antonio, Gaetano, Gino, Guido, Lido, Luciano, Luigino, Rinaldo.

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

How common is the last name D’addario in the United States?

Based on the Decennial U.S. Census data, the popularity of the surname D’Addario experienced a slight decline between 2000 and 2010. The rank of the surname shifted from 16,333 to 17,662, marking an 8.14 percent decrease. The count, or number of individuals with this surname, also decreased by 2.09 percent, from 1,624 in 2000 to 1,590 in 2010. Similarly, the proportion of people with this surname per 100,000 fell from 0.6 to 0.54, representing a 10 percent decrease.

	2000	2010	Change
Rank	#16,333	#17,662	-8.14%
Count	1,624	1,590	-2.09%
Proportion per 100k	0.6	0.54	-10%

Race and Ethnicity of people with the last name D’addario

In terms of ethnic identity, the Decennial U.S. Census data reveals varied changes for the surname D’Addario over the same decade. The majority of individuals with this surname identified as White, although there was a slight decrease of 1.81 percent, from 97.29 percent in 2000 to 95.53 percent in 2010. There was a notable increase among those identifying as Asian/Pacific Islander and Hispanic, with increases of 137.84 percent and 63.41 percent respectively. The proportion of individuals identifying as two or more races also rose, by 50 percent. However, Black individuals and those identifying as American Indian and Alaskan Native were not represented within this surname group during these years.

	2000	2010	Change
White	97.29%	95.53%	-1.81%
Hispanic	1.23%	2.01%	63.41%
Two or More Races	0.92%	1.38%	50%
Asian/Pacific Islander	0.37%	0.88%	137.84%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%