Willoughby Hamilton (born James Willoughby "Willoby" Hamilton on December 9th, 1864 in Monasterevin- died on September 27th, 1943 in Dublin) was an Irish male tennis player. He won the Wimbledon Champioships in 1890 defeating William Renshaw in 5 sets 6-8, 6-2, 3-6, 6-2, 6-1  (courtesy of Wiki-Pedia)

Does anyone have any more information on this, was he related to Isaac Willoughby who owned Willoughbys Hardware before John Kenna.