Explore the Family Name O’cain
The meaning of O’cain
Irish: shortened form of O’Callaghan.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name O’cain in the United States?
Based on the Decennial U.S. Census data, the surname 'O’Cain' has seen a rise in popularity during the 2000s. In 2000, O’Cain ranked 32,652, but by 2010 it had risen to 30,013, marking an 8.08% increase. The count of people sharing this surname also grew from 663 in 2000 to 782 in 2010, representing a significant 17.95% increase. This indicates that the proportion of people named O’Cain per 100,000 increased by 8.0%, from 0.25 to 0.27.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #32,652 | #30,013 | 8.08% |
| Count | 663 | 782 | 17.95% |
| Proportion per 100k | 0.25 | 0.27 | 8% |
Race and Ethnicity of people with the last name O’cain
In terms of ethnicity, the Decennial U.S. Census data shows some slight changes for individuals with the O’Cain surname between 2000 and 2010. While the majority remained White, at around 77%, there was a slight decline of 0.35%. The number of individuals identifying as Black also slightly decreased by 1.68%, coming in at 20.46% in 2010. Interestingly, the number of individuals from two or more races rose by 3.68%, although the overall proportion remains relatively low at 1.41%. There were no individuals with the O’Cain surname identified as Asian/Pacific Islander, Hispanic, or American Indian and Alaskan Native in either year.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 77.38% | 77.11% | -0.35% |
| Black | 20.81% | 20.46% | -1.68% |
| Two or More Races | 1.36% | 1.41% | 3.68% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Hispanic | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |