Background
Digby was the eldest son of George Digby, 2nd Earl of Bristol and his wife Lady Anne Russell, daughter of Francis Russell, 4th Earl of Bedford.
Digby was the eldest son of George Digby, 2nd Earl of Bristol and his wife Lady Anne Russell, daughter of Francis Russell, 4th Earl of Bedford.
He was educated privately.
He was styled Lord Digby from 1653 to 1677. He was baptised on 26 April 1634. In July 1660 he became Justice of the Peace for Dorset and Somerset and commissioner for oyer and terminer on the Western circuit.
He was commissioner for sewers for Somerset from December 1660 and commissioner for assessment for Dorset from 1661 to 1674.
He was commissioner for assessment for Somerset from 1664 to 1674. From 1672 to 1674 he was Deputy Lieutenant for Dorset.
He was Lord Lieutenant of Dorset from 1679 and Custos Rotulorum of Dorset from 1680. In 1683 he became freeman of Lyme Regis.
In June 1688 he was deprived of his positions as Justice of the Peace, Lord Lieutenant and Custos, but was re-instated a few months later.
Digby died at the age of about 64, and was buried at Sherborne Abbey. Digby married firstly on 26 March 1656, Alice Bourne daughter of Robert Bourne of Blake Hall, Essex. He had no issue by either wife and the title became extinct on his death.
Cavalier Parliament]
In 1676 he was elected Member of Parliament for Dorset in a by-election to the Cavalier Parliament. In 1677, he inherited the Earldom of Bristol on the death of his father on 24 March and became a member of the House of Lords.