Sir Timothy O'Brien, 1st Baronet was an Irish Whig, Independent Irish Party and Repeal Association politician, and merchant.
- Occupation
- politician
- Position held
- member of the 17th Parliament of the United Kingdom, member of the 16th Parliament of the United Kingdom, member of the 15th Parliament of the United Kingdom, member of the 14th Parliament of the United Kingdom
- Citizenship
- Ireland
- Born
- 1787
- Died
- December 4, 1862, December 3, 1862