In 1740 Talbot was appointed Puisne Justice of Chester for life, and was returned for Brecon at the ensuing by-election before being returned unopposed at the 1741 British general election. In 1742 he was on the court list for the ballot on members of the committee of inquiry into Walpole's Administration, to which he was one of the few Old Whigs elected. He left his post as Recorder in 1745.[1]
After 1747, Talbot believed his seat at Brecon was no longer secure, and he suggested that the Duke of Newcastle should find him a seat elsewhere. He was proposed instead for Ilchester where his successful return cost £2,000, half of which was met from the government's secret service funds. In December 1755 he was appointed junior Lord of Trade, and was again returned at the ensuing by-election at Ilchester.[3]
Talbot died on 23 September 1756. His first marriage was childless, but by his second wife he had four sons: