Explore the Family Name Pacelli

The meaning of Pacelli

Italian: patronymic or plural form of Pacello, a pet form of the personal name Pace (see Pace 3). Some characteristic forenames: Italian Rocco, Nicola, Angelo, Dominico, Franco, Giovanni, Guido, Luca, Luigi, Remo, Romeo, Salvatore.

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

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

The surname Pacelli, according to the Decennial U.S. Census data, saw a slight decrease in popularity from 2000 to 2010. In 2000, it ranked 20,800 and dropped to 22,503 by 2010, representing an 8.19 percent decrease. The actual count of people with this surname also declined during this period, from 1,180 in 2000 to 1,143 in 2010, portraying a reduction of about 3.14 percent. The proportion per 100,000 also fell by 11.36 percent, going from 0.44 in 2000 to 0.39 in 2010.

	2000	2010	Change
Rank	#20,800	#22,503	-8.19%
Count	1,180	1,143	-3.14%
Proportion per 100k	0.44	0.39	-11.36%

Race and Ethnicity of people with the last name Pacelli

In terms of ethnic identity, the Decennial U.S. Census data shows a clear majority of individuals with the surname Pacelli identifying as White, although there was a minor decrease in this percentage from 96.53 in 2000 to 95.01 in 2010. Interestingly, there were significant increases in those identifying as Asian/Pacific Islander (from 0.59 to 1.05 percent) and those reporting two or more races (from 0.85 to 1.75 percent). The percentage of Hispanic identifiers underwent a moderate rise from 1.53 percent to 1.75 percent. Conversely, the Black community experienced a slight decline from 0.51 to 0.44 percent. There were no recorded American Indian and Alaskan Natives with the surname Pacelli in either census year.

	2000	2010	Change
White	96.53%	95.01%	-1.57%
Two or More Races	0.85%	1.75%	105.88%
Hispanic	1.53%	1.75%	14.38%
Asian/Pacific Islander	0.59%	1.05%	77.97%
Black	0.51%	0.44%	-13.73%
American Indian and Alaskan Native	0%	0%	0%