In 1946, Westoll married Sylvia Jane, the youngest daughter of Sir Fairfax Luxmoore (1876–1944), a Lord Justice of Appeal, and they had four children.[3] After the war, he was admitted to Lincoln's Inn, from where he was called to the Bar, and worked in the family shipping business, James Westoll, Ltd., of John Street, Sunderland, until it was sold in the 1950s. He never practised as a barrister, but from 1960 to 1971 was a Deputy Chairman of the Cumberland Quarter Sessions.[1][6]
Elected to Cumberland County Council as an independent, he became Chairman of the Council in 1958, continuing in the role until the council came to an end in 1974. In 1965, the Manchester Water Authority applied for permission to extract water from Ullswater, which would have changed the landscape significantly. Westoll took a legal battle all the way to the House of Lords, winning it in an early victory for the environmental lobby. In the 1970s, after Cumberland County Council was abolished, the new county council proved to be more divided by party politics, and although Westoll disliked the new working atmosphere he was chosen as the first Chairman of the new authority.[1]
He began to paint birds as a boy, and not long before his death he completed the publication of his book The Complete Illustrated Check List of the Birds of the World, on which he had been working for twenty-five years. For this, he painted in watercolour more than 10,300 species of bird, as listed by Edward S. Gruson's Checklist of the Birds of the World (1976).[1][9][10]
At Carlisle Racecourse, a race called the Tim Westoll Memorial Maiden Stakes, run over six furlongs, was established in his memory.[11][12]
^Peter Beauclerk Dewar, Burke's landed gentry of Great Britain: together with members of the titled and non-titled contemporary establishment (2001) p. 1178 online
^ abKelly's handbook to the titled, landed & official classes, vol. 95 (1969), p. 2061