1707 - following the death of his father in 1694 and of his elder brother Bluet Wallop from peripneumonia, he succeeded to the Wallop family estates in Hampshire. 1708 - left Eton College to complete his education with an extended tour of Europe. 1715 - was returned for both Hampshire and Andover, choosing to sit for the county. 1717 - appointed a lord of the Treasury. 1720 - elevated to the Lords as Baron Wallop and Viscount Lymington. 1732 - appointed chief justice in eyre north of Trent. 1733 - succeeded Charles Powlett, third duke of Bolton as lord lieutenant of Hampshire, vice-admiral of Hampshire and lord warden of the New Forest. 1734 - became governor of the Isle of Wight. 1739 - became a governor of the Foundling Hospital. 1742 - following Robert Walpole's resignation, all Lymington's appointments were terminated. 1743 - he was compensated with the earldom of Portsmouth. 1746 - reappointed governor of the Isle of Wight, a position he held until his death.