Jonathan Simpson (1850–1937) was an architect who was born, educated and practised in Bolton, Lancashire. He became a Fellow of the RIBA in 1906 and retired in 1932.[1]

Simpson served his articles with J. Lomax in Bolton, and started his practice in 1873, designing many buildings in the town and surrounding area. His clients included the brewers Magee Marshall & CompanyBrewer which operated from the Crown Brewery in Bolton, Lancashire, England from 1888 until being taken over by Greenall Whitley in 1958. for whom he designed several large hotels. Samuel Taylor Chadwick, a Bolton philanthropist commissioned model dwellings. Simpson designed Blackburn Road Congregational Church and swimming baths for Bolton School.[1] Lever Brothers commissioned him to design three blocks of cottages in their model villageType of mostly self-contained community, built from the late 18th century onwards by landowners and industrialists to house their workers. , Port Sunlight, in 1897.[2]

Simpson, a school friend of William Lever, was commissioned to build Roynton Cottage, a large wooden-framed bungalow on the hillside below Rivington PikeHill summit on Winter Hill, part of the West Pennine Moors, overlooking the village of Rivington in Lancashire, England., and to restore the Great Barn in Lever ParkGrade II listed country park between Rivington ‌in Lancashire and Horwich in Greater Manchester. at RivingtonVillage in the Borough of Chorley, to the northwest of Bolton, on the fringe of the West Pennine Moors..[1]