Explore the Family Name O’briant
The meaning of O’briant
Irish: variant of O’Brien, with excrescent -t.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name O’briant in the United States?
Based on the Decennial U.S. Census, the surname O’Briant has seen a slight dip in popularity between 2000 and 2010, moving from rank 20,167 to 20,574 in popularity nationwide, a change of -2.02%. However, even though it slipped in rank, the actual count of people with this surname rose by 4.8% during this time period, from 1,229 individuals to 1,288. The proportion per 100,000 people slightly decreased by -4.35%, illustrating a marginal lessening in its prevalence.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #20,167 | #20,574 | -2.02% |
| Count | 1,229 | 1,288 | 4.8% |
| Proportion per 100k | 0.46 | 0.44 | -4.35% |
Race and Ethnicity of people with the last name O’briant
The ethnicity associated with the surname O’Briant also saw shifts from 2000 to 2010, according to the Decennial U.S. Census. In 2000, 90.07% of those with the surname identified as White, but this figure dropped to 87.27% by 2010. Conversely, there were increases in individuals identifying as Asian/Pacific Islander (from 0.73% to 1.40%), Hispanic (from 1.38% to 2.25%), Black (from 6.35% to 7.22%), and American Indian and Alaskan Native (from 0.41% to 0.85%). Notably, the percentage of people identifying as two or more races slightly reduced, moving from 1.06% to 1.01%. These changes highlight an increase in ethnic diversity among individuals carrying the O’Briant surname over the decade.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 90.07% | 87.27% | -3.11% |
| Black | 6.35% | 7.22% | 13.7% |
| Hispanic | 1.38% | 2.25% | 63.04% |
| Asian/Pacific Islander | 0.73% | 1.4% | 91.78% |
| Two or More Races | 1.06% | 1.01% | -4.72% |
| American Indian and Alaskan Native | 0.41% | 0.85% | 107.32% |