Its demise saw several players join the newly founded Thames Ironworks, the club that was later reformed as West Ham United.

[3] In March 1893 they faced Barking Woodville in the final of the West Ham Charity Cup, held at Clapton's Spotted Dog ground.

[2] The Swifts officially became a professional outfit in November 1894, a move made after one of their players, Cunningham, was denied a return to amateur status.

Among them were half-backs William Morton, Walter Parks and John Woods, forwards Jamie Lindsay and George Sage, and full-back Robert Stevenson, who became the Ironworks' first ever captain.

[2][3] The light blue shirts, white shorts and scarlet socks that were worn by Thames Ironworks from the 1897–98 season, and also by the early West Ham United team, are thought to have originated with Old Castle Swifts.