Sir John Stirling Ainsworth (30 January 1844 – 24 May 1923) was an English industrialist, banker and Liberal Party politician.
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Family and education
Ainsworth was the son of Thomas Ainsworth of Cleator Moor, Cumberland. His mother was Mary Laurie, daughter of John Stirling, a Doctor of Divinity from Craigie in East Ayrshire. He was educated at University College School, London and at University College London where he obtained MA and LL.B degrees. In 1879 he married Margaret Catherine daughter of Robert Reid Macredie. They had one son and two daughters. His wife died in 1918. His brother, David Ainsworth (1842–1906) was Liberal Member of Parliament for West Cumberland from 1880 to 1885 and for Egremont from 1892 to 1895.
Career
Ainsworth had interests in the iron mines and related industries in Cumberland. He was Chairman of the Cleator and Workington Junction Railway. He was also involved in banking, being a director of the Whitehaven Joint Stock Bank which later merged with Parr's Bank, of which Ainsworth then became director of the Cumberland and Westmoreland local board.




