Explore the Family Name Sincock
The meaning of Sincock
English (Cornwall): probably a variant of Simcock with /m/ developing to /ŋ/ before /k/ (see Simcox).
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Sincock in the United States?
Based on the Decennial U.S. Census, the surname Sincock decreased in popularity between 2000 and 2010. In 2000, it ranked as the 81,414th most common name, but by 2010 it had dropped to the 92,719th position, a decrease of about 13.89%. Similarly, the count of people carrying the Sincock surname also declined from 216 to 198, a drop of approximately 8.33%. The proportion of individuals with this surname per 100,000 people fell by 12.5%, from 0.08 to 0.07.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #81,414 | #92,719 | -13.89% |
| Count | 216 | 198 | -8.33% |
| Proportion per 100k | 0.08 | 0.07 | -12.5% |
Race and Ethnicity of people with the last name Sincock
The ethnic identity associated with the Sincock surname is predominantly White, according to the Decennial U.S. Census data. In 2000, approximately 98.15% of those with the Sincock name identified as White. However, this percentage slightly decreased to 96.46% by 2010, showing a change of -1.72%. There were no recorded instances of the Sincock surname among individuals identifying as Asian/Pacific Islander, Black, Hispanic, and American Indian and Alaskan Native in both 2000 and 2010. Similarly, no individuals with the Sincock surname identified as belonging to two or more races during these years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 98.15% | 96.46% | -1.72% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 0% | 0% | 0% |
| Hispanic | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |