Moses Haughton was the name of an uncle and nephew who were both artists in late 18th and early 19th century England:
Moses Haughton the Elder (sometimes spelled "Horton", c. 1734–1804), painter, designer, and engraver who spent most of his life in Birmingham Moses Haughton the Younger (1773–1849), engraver best known for his work with Henry Fuseli in London