Lew Dockstader was an American singer, comedian, and vaudeville star, best known as a blackface minstrel show performer. Dockstader performed as a solo act and in his own a popular minstrel troupe.
He was born George Alfred Clapp on August 7, 1856 in Hartford, Connecticut to Chester Clapp and Sarah Reed. He married Lucin Brown on December 20, 1883 in Hartford and had a daughter, Mildred Havlin Clapp, who married Warren Palmer.
Source: Wikipedia