Explore the Family Name Petrilli

The meaning of Petrilli

Italian: patronymic or plural form of Petrillo. Some characteristic forenames: Italian Gaetano, Mario, Americo, Arnaldo, Arturo, Carlo, Carmine, Dino, Enrico, Gino, Guido, Lorenzo, Marco, Rocco, Sal, Salvatore, Renato, Roberto.

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

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

Based on the Decennial U.S. Census, the popularity of the surname Petrilli has seen a decrease between 2000 and 2010. In 2000, the rank of the surname was 29,359 with a count of 759 which is approximately 0.28 per 100,000. However, by 2010, the rank had dropped to 34,574 with a count of 654, roughly 0.22 per 100,000. This represents a decrease in popularity of about 17.76% over a decade and a decrease in proportion per 100k by 21.43%.

	2000	2010	Change
Rank	#29,359	#34,574	-17.76%
Count	759	654	-13.83%
Proportion per 100k	0.28	0.22	-21.43%

Race and Ethnicity of people with the last name Petrilli

The ethnic identity associated with the surname Petrilli has witnessed some shifts as well. The data from the Decennial U.S. Census reveals that in 2000, the majority of individuals with this surname identified as White (97.10%), followed by Hispanic (1.45%), and those identifying with two or more races (1.05%). No individuals identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native. By 2010, while the majority still identified as White (95.26%), there was a notable increase in those identifying as Hispanic, jumping to 3.06%, and those claiming two or more races increased slightly to 1.22%. Meanwhile, no individuals identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in 2010 as well.

	2000	2010	Change
White	97.1%	95.26%	-1.89%
Hispanic	1.45%	3.06%	111.03%
Two or More Races	1.05%	1.22%	16.19%
Asian/Pacific Islander	0%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%