Thomas Gair Ashton, 1st Baron Ashton of Hyde (5 February 1855 – 1 May 1933) was a British industrialist, philanthropist, Liberal politician, and peer.
Ashton was born at Fallowfield, Manchester, Lancashire, the son of Thomas Ashton (died 1898) and Elizabeth Gair, daughter of Samuel Stillman Gair of Rhode Island. The Ashton family had been prominent in the cotton and cloth manufacturing industry for many years. He was educated at Rugby and University College, Oxford, and later managed the family business. Ashton was elected to the House of Commons for Hyde in 1885, but lost his seat the following year. He unsuccessfully contested the same seat again in 1892, but in 1895 he was returned for Luton, seat he held until 1911. The latter year he was raised to the peerage as Baron Ashton of Hyde, in the County of Chester. During the First World War he served as Chairman of the Cotton Exports Committee. Apart from his political career Ashton was a Justice of the Peace for Cheshire and Sussex and was invested as an Honorary Fellow of Oxford University in 1923.
Two of Lord Ashton's sisters married Lupton brothers; Sir Charles Lupton to Katharine and Arthur Lupton to Harriet. Lord Ashton's first cousin, Helen Potter (née Leech), was the mother of Beatrix Potter. The Lupton family are the paternal ancestors of Catherine, Duchess of Cambridge. Ashton married Eva Margaret James, daughter of John Henry James and his wife Jane Ramsden Ashworth, in 1886. They had four children, two sons and two daughters: