Explore the Family Name Posillico

The meaning of Posillico

Italian: habitational name from a dialect form of Posillipo, the name of an important coastal quarter of the city of Naples. Some characteristic forenames: Italian Carmine, Mario, Domenico, Vincenzo, Agostino, Angelo, Antonio, Costantino, Francesco, Gaetano, Lorenzo, Marco.

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

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

Based on data from the Decennial U.S. Census, the surname Posillico had a slight decrease in popularity from 2000 to 2010. In 2000, Posillico ranked 49057 amongst all surnames in the United States, but by 2010, it fell to rank 49914, marking a decrease of 1.75%. However, the actual count of people with this surname increased by 4.22%, from 403 in 2000 to 420 in 2010. Despite the increase in count, the proportion per 100,000 people decreased by 6.67% during the same period.

	2000	2010	Change
Rank	#49,057	#49,914	-1.75%
Count	403	420	4.22%
Proportion per 100k	0.15	0.14	-6.67%

Race and Ethnicity of people with the last name Posillico

The ethnicity associated with the surname Posillico has also shown some changes over the decade, according to the Decennial U.S. Census data. In both 2000 and 2010, there were no recorded individuals with Asian/Pacific Islander, two or more races, black, or American Indian and Alaskan Native ethnic identities. The majority identified as white, although this percentage decreased slightly from 98.01% in 2000 to 95.48% in 2010. Simultaneously, the percentage of individuals with the Posillico surname identifying as Hispanic experienced a significant increase, jumping from 1.49% in 2000 to 3.33% in 2010, a change of 123.49%.

	2000	2010	Change
White	98.01%	95.48%	-2.58%
Hispanic	1.49%	3.33%	123.49%
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%