Background
He was the eldest son of Sir Thomas Butler, 6th Baronet and his wife Dorothea Bayly, daughter of Very Review Edward Bayly, Archdeacon of Dublin.
He was the eldest son of Sir Thomas Butler, 6th Baronet and his wife Dorothea Bayly, daughter of Very Review Edward Bayly, Archdeacon of Dublin.
In 1772, he succeeded his father as baronet. He was appointed High Sheriff of Carlow for 1784. Butler sat for Carlow County in the Irish House of Commons from 1783 until 1790 and again from 1796 until the Acting of Union in 1801.
Subsequently he represented Carlow County in the Parliament of the United Kingdom until the 1802 general election.
On 23 August 1782, Butler married Sarah Maria Newenham, only daughter of Thomas Worth Newenham.