Foreign Ipswich between 1768 and 1784. Before gaining his position in Parliament, he served as colonel of the Eastern Battalion in the Suffolk Militia. He was also close with artist Thomas Gainsborough, with whom he shared a love of music
Gainsborough painted Wollaston"s portrait in about 1758.
In 1794 to pay off a gambling debt Wollaston sold the family estate at Finborough to Roger Pettiward (d1833) whose family owned the neighbouring estate at Onehouse. His father, William Wollaston was also Member of Parliament for Ipswich.