Explore the Family Name Caiazzo

The meaning of Caiazzo

Italian: 1. habitational name from a place called Caiazzo, in Caserta. 2. from a pet form of the personal name Caio (from Latin Caius). Some characteristic forenames: Italian Salvatore, Angelo, Carmine, Attilio, Carmela, Lia, Pasquale, Raffaela, Vito.

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Caiazzo saw a significant increase between 2000 and 2010. In 2000, the surname ranked 30,929th in popularity, but by 2010 its rank had improved to 27,732nd, marking a 10.34% increase. The number of people with this surname also increased from 710 individuals in 2000 to 867 in 2010, a rise of 22.11%. The proportion per 100k people showed a similar trend, increasing by 11.54%, with the surname's prevalence rising from 0.26 to 0.29.

20002010Change
Rank#30,929#27,73210.34%
Count71086722.11%
Proportion per 100k0.260.2911.54%

Race and Ethnicity of people with the last name Caiazzo

When it comes to ethnicity, the Decennial U.S. Census data reveals some changes in the ethnic identity associated with the surname Caiazzo between 2000 and 2010. In 2000, a significant majority of those bearing the surname identified as White (95.21%), followed by Hispanic (2.11%), Asian/Pacific Islander (0.99%), and those identifying with two or more races (1.55%). By 2010, while the majority still identified as White (92.27%), there was a noticeable increase in the percentage of those identifying as Hispanic (5.54%), marking a change of 162.56%. Meanwhile, the percentage of those identifying with two or more races slightly increased to 1.73%, whereas the percentage of those identifying as Asian/Pacific Islander dropped to zero. There were no individuals bearing the surname Caiazzo who identified as Black or American Indian and Alaskan Native during either census year.

20002010Change
White95.21%92.27%-3.09%
Hispanic2.11%5.54%162.56%
Two or More Races1.55%1.73%11.61%
Asian/Pacific Islander0.99%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%