Explore the Family Name Colaizzi

The meaning of Colaizzi

Italian: 1. patronymic or plural form of a personal name composed of the elements Cola + Izzo. 2. variant of Colarizzi, patronymic or plural form of a personal name composed of the elements Cola + Rizzo. Some characteristic forenames: Italian Franco, Antonio, Elio, Fausto, Quirino, Romolo, Vittorio.

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Colaizzi saw a slight rise between 2000 and 2010. The rank of the surname made a small increase from 46153 in 2000 to 46138 in 2010, representing a 0.03% change. In terms of count, there was an uptick of approximately 6.21%, with the number of people bearing Colaizzi as their last name going up from 435 in 2000 to 462 in 2010. However, the proportion of individuals with this surname per 100k remained steady at 0.16 in both years.

20002010Change
Rank#46,153#46,1380.03%
Count4354626.21%
Proportion per 100k0.160.160%

Race and Ethnicity of people with the last name Colaizzi

On the other hand, the Decennial U.S. Census data reveals some changes in the ethnicity associated with the surname Colaizzi. While the majority who bore this surname identified as White (96.78% in 2000 and 97.84% in 2010), there were reductions in the other categories. The percentage of individuals with this surname identifying as two or more races decreased by 32.92%, bringing it down to 1.08% in 2010 from 1.61% in 2000. It's also worth noting that the percentages for Asian/Pacific Islander, Hispanic, Black, and American Indian and Alaskan Native all remained at zero or became zero in 2010, indicating that these ethnic identities are not commonly associated with the surname Colaizzi.

20002010Change
White96.78%97.84%1.1%
Two or More Races1.61%1.08%-32.92%
Asian/Pacific Islander0%0%0%
Hispanic1.61%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%