Before inheriting the barony, Aston worked as a watchmaker.[4]
Scottish Peers were entitled to vote to elect 16 Scottish representative peer to the House of Lords. In 1768 Lord Aston's right to vote in these elections raised objections as he was not listed on the Union Roll as his right to the title Lord Aston of Forfar was not confirmed.[4] I n 1769 King George III awarded Lord Aston an annual pension of £300. In this award, King George refers to Walter as "Walter, Lord Aston, Baron of Forfar".[4]
Lord Aston of Forfar died in London on 29 July 1805 at the age of 72. He was buried at the Grosvenor Chapel in London.[4]
Family
Walter married Anne Hutchinson on 28 May 1766. Anne was the daughter of Peter Hutchinson. She died in 1808 and was buried at Bath Abbey. They had three children: