Explore the Family Name Prosperi

The meaning of Prosperi

Italian: patronymic or plural form of Prospero. This surname is also found in Corsica and southern France. Some characteristic forenames: Italian Aldo, Albo, Alessandra, Angelo, Carlo, Dante, Duilio, Gino, Silvio. French Andre, Armand, Henri, Michel, Pierre.

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

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

Based on the Decennial U.S. Census data, the surname Prosperi saw a moderate increase in popularity between 2000 and 2010. In 2000, Prosperi was ranked as the 47,575th most popular surname, but by 2010 it had moved up slightly to 47,107th. The count of individuals with this surname also rose from 419 in 2000 to 451 in 2010, reflecting a growth rate of 7.64%. However, when looking at the proportion per 100,000 people, there was a minor decrease from 0.16 in 2000 to 0.15 in 2010.

20002010Change
Rank#47,575#47,1070.98%
Count4194517.64%
Proportion per 100k0.160.15-6.25%

Race and Ethnicity of people with the last name Prosperi

In terms of ethnic identity, the Decennial U.S. Census data shows that the majority of individuals with the surname Prosperi identified as White both in 2000 and 2010, though there was a small decline from 94.75% to 91.8% over this period. The percentage identifying as Hispanic increased from 2.86% to 4.43%, marking a significant change of 54.90%. There was also an increase in those identifying with two or more ethnicities, rising from 1.43% to 2.22%. No individuals with the Prosperi surname identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native during these years.

20002010Change
White94.75%91.8%-3.11%
Hispanic2.86%4.43%54.9%
Two or More Races1.43%2.22%55.24%
Asian/Pacific Islander0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%