Explore the Family Name Cillo
The meaning of Cillo
Italian: from a shortened pet form of Francesco (equivalent of Francis). Some characteristic forenames: Italian Americo, Aniello, Antonio, Carmine, Gianna, Giovanni, Guido, Livio, Rocco, Vito.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Cillo in the United States?
Based on the Decennial U.S. Census data, the popularity of the surname Cillo has slightly lessened in the span of a decade. In 2000, it was ranked 34,399 with a count of 623 individuals bearing the name and a proportion per 100k of 0.23. However, by 2010, its rank had slipped to 36,900 and the count of people with the surname dropped to 605, lowering the proportion per 100k to 0.21. This represents a change of -7.27 in ranking and a -2.89 decrease in total count.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #34,399 | #36,900 | -7.27% |
| Count | 623 | 605 | -2.89% |
| Proportion per 100k | 0.23 | 0.21 | -8.7% |
Race and Ethnicity of people with the last name Cillo
In terms of ethnic identity, the Decennial U.S. Census data shows a few changes for those with the Cillo surname. The most notable increase was seen within the category of two or more races, rising from 0.96% in 2000 to 2.31% in 2010, indicating a significant 140.62% change. There was also a slight growth in the Asian/Pacific Islander and Hispanic categories, with changes of 21.47% and 2.59%, respectively. Meanwhile, the White ethnicity, which made up the majority of individuals with the surname, decreased from 95.35% to 92.89%, a change of -2.58%. It's worth noting that there were no individuals identified as Black or American Indian and Alaskan Native in either 2000 or 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 95.35% | 92.89% | -2.58% |
| Two or More Races | 0.96% | 2.31% | 140.62% |
| Asian/Pacific Islander | 1.77% | 2.15% | 21.47% |
| Hispanic | 1.93% | 1.98% | 2.59% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |