John Greaves (c.1708-1779) was a Sheffield merchant. His business appeared in the first Sheffield directory in 1774, when it was listed as John Greaves & Son, factors, Fargate. Reminiscences of Old Sheffield (edited by R. E. Leader, 1876) featured Greaves, but shed no light on his business. Greaves apparently lived in a dingy house and was noted for introducing the umbrella into the town in about 1742. He died on 6 March 1779. His son, John Greaves (c.1744-1828), succeeded him and in 1787 wa....