Explore the Family Name Tanzillo
The meaning of Tanzillo
Italian: from a diminutive of the personal name Tanzo or Tanzi, Tanzio (see Tanzi).
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Tanzillo in the United States?
Based on the Decennial U.S. Census, the popularity of the surname Tanzillo has seen a slight decrease over the years. In 2000, Tanzillo was ranked as the 66,476th most popular surname, with a count of 278 individuals in the U.S. bearing this name. By 2010, the rank had fallen to 74,375th and the count dropped slightly to 260, indicating a decrease of 6.47%. Consequently, the proportion of the population with the Tanzillo surname per 100k fell by 10%, from 0.1 in 2000 to 0.09 in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #66,476 | #74,375 | -11.88% |
| Count | 278 | 260 | -6.47% |
| Proportion per 100k | 0.1 | 0.09 | -10% |
Race and Ethnicity of people with the last name Tanzillo
Looking at the ethnicity of people with the Tanzillo surname, the Decennial U.S. Census reveals that the majority identify as White, with a slight increase from 94.24% in 2000 to 94.62% in 2010. During the same period, the percentage of Tanzillos identifying as Hispanic saw a slight drop from 2.16% to 1.92%. Interestingly, the census started to register Asian/Pacific Islanders under this surname in 2010, while the category of two or more races stopped being represented in the data. The Black and American Indian and Alaskan Native categories, however, did not see any changes, remaining at zero for both years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 94.24% | 94.62% | 0.4% |
| Asian/Pacific Islander | 0% | 2.31% | 0% |
| Hispanic | 2.16% | 1.92% | -11.11% |
| Two or More Races | 2.52% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |