I found the marriage record in: IN Marriages
title: Marriages 1873-1899 (Books 13 through 18) Record Location: Jefferson County Indiana Part I Grooms Part II Brides Spouse 1: Addie F. Mills Spouse 2: George T. Guy Marriage Date: 30 Sep 1880 County: Jefferson Book: 14 Original Source Page: 354

And I found Albert Guy in the 1900 census. What do you have on these people?