Explore the Family Name O’brion
The meaning of O’brion
Irish: variant of O’Brien.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name O’brion in the United States?
Based on the Decennial U.S. Census data, the surname O'Brion has seen a rise in popularity between 2000 and 2010. Its rank improved from 65,133 in 2000 to 60,505 in 2010, reflecting a positive change of 7.11%. The count of individuals with this surname also increased from 285 in 2000 to 333 in 2010, a significant growth of 16.84%. However, the proportion of people named O'Brion per 100,000 population remained steady at 0.11 during this period.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #65,133 | #60,505 | 7.11% |
| Count | 285 | 333 | 16.84% |
| Proportion per 100k | 0.11 | 0.11 | 0% |
Race and Ethnicity of people with the last name O’brion
The Decennial U.S. Census also provides information about the ethnic identity associated with the surname O'Brion. In 2000, the majority of people with this name were identified as White (94.39%), with a small Hispanic representation of 2.81%. By 2010, the percentage of White individuals had slightly decreased to 91.59%, while the Hispanic representation witnessed an increase of 38.79%, reaching 3.90%. For the first time in 2010, the census reported a slight representation (3%) of people with the O'Brion surname identifying with two or more races. There were no individuals identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in either census year for this surname.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 94.39% | 91.59% | -2.97% |
| Hispanic | 2.81% | 3.9% | 38.79% |
| Two or More Races | 0% | 3% | 0% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |