John Albro and George C. and Sarah Ellen were the children of Charles G. Little, who was from Cambridge, MA. John A. married Mary (Maud) Franklin, who had been Whistler's model and mistress, and they had a son, John Franklin Little, in the early 1880s. Sarah Ellen Little married Robert H. MacCurdy. Little's niece was Gerturde Lee Thebaud (Mrs Louis A. Thebaud).
In 1903 his will records a house at 43 rue de Chazelles in Paris and a villa 'La Picholiere' at Yport, as well as an estate in Cambridge, MA.
Will of John A. Little, 2 June 1903, #12906.