Surname
O'Brien
Meaning & origin
- Meaning
- “descendant of Brian”
- Origin
- Irish
How common is O'Brien?
| Country | Rank | People |
|---|---|---|
| Ireland | #6 | 44,249 |
| Australia | #56 | 36,925 |
| United States | #261 | 115,547 |
| Country | Rank | People |
|---|---|---|
| Ireland | #6 | 44,249 |
| Australia | #56 | 36,925 |
| United States | #261 | 115,547 |