John Aspinwall Hadden Jr. (March 31, 1858 – February 6, 1931)[1] was an American socialite and clubman during the Gilded Age.
[4] He was the brother of Alexander Mactier Hadden,[1] a close friend of Edward Coleman Delafield.
[6] His maternal grandfather was Alexander Mactier who lived in New York and Philadelphia.
[7] His paternal grandfather was David Hadden, a prominent New York Merchant who was born in Aberdeen, Scotland, and Ann (née Aspinwall) Hadden, the daughter of William Smith Aspinwall.
[1] The Haddens donated funds to the Cooper Hewitt, Smithsonian Design Museum.