The O'Briens
- William S. O'Brien (1862-1948), Circuit Court Judge in West Virginia 1913-1920, U.S. Representative from West Virginia 1927-1929, West Virginia Secretary of State 1933-1948. Father of D. Pitt O'Brien.
- D. Pitt O'Brien, West Virginia Secretary of State. Son of William S. O'Brien.
Read more about this topic: List Of United States Political Families (O)