According to Croft: Helen Milks, b:1886 in Great Valley, Cattaraugus Co, NY, md: Mr. Chapman, Resided in Arcade, NY.Father: David Milks, b:1848 Saratoga Co, NY, d:27 Oct 1931 Salamanca, Cattaraugus, NY. Helen was one of seven children of David's second marriage to Janette "Nettie" Meacham.
No further info on Helen and Mr. Chapman, no children listed.
I can give you further info on David and his ancestry, if you want that. David(1848), s/o Alexander(1819), s/o David(1795), s/o George(1762), s/o Jonathon(1728).