Explore the Family Name Giannantonio

The meaning of Giannantonio

Italian: from a compound personal name composed of Gianni + Antonio. Some characteristic forenames: Italian Aldo, Gildo, Gino, Guido, Lelio, Nicola, Rocco.

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

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

Based on the Decennial U.S. Census, the surname Giannantonio has seen an increase in popularity within the United States from the year 2000 to 2010. In 2000, Giannantonio ranked 53,047 in terms of surname frequency, but by 2010 it had risen to rank 48,995 – a change of 7.64 percent. The count of individuals with this surname also increased during this period, growing by 17.49 percent from 366 in 2000 to 430 in 2010. The proportion of people named Giannantonio per 100,000 residents also saw a slight increase of 7.14 percent.

	2000	2010	Change
Rank	#53,047	#48,995	7.64%
Count	366	430	17.49%
Proportion per 100k	0.14	0.15	7.14%

Race and Ethnicity of people with the last name Giannantonio

The Decennial U.S. Census data also provides insight into the ethnic identity associated with the surname Giannantonio. In both 2000 and 2010, no individuals with this surname identified as Asian/Pacific Islander, from two or more races, Black, or American Indian and Alaskan Native. The majority of individuals who carry this surname identified as White, though there was a small decrease of 0.54 percent in this group from 2000 to 2010. The percentage of individuals with the Giannantonio surname identifying as Hispanic saw a significant increase during this decade, jumping from 1.64 percent to 2.79 percent, which represents a change of 70.12 percent.

	2000	2010	Change
White	97.27%	96.74%	-0.54%
Hispanic	1.64%	2.79%	70.12%
Asian/Pacific Islander	0%	0%	0%
Two or More Races	0%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%