After 40 years of wondering, I think I have an answer to the question of who was the father of my great grandmother, Jennie Resler nee Taylor of Indiana. According to her mother's obit, Sarah Emma Dolan nee Taylor, it was Oscar Hidy of Jay Co, Indiana.
Sarah and Oscar did not marry. In the 1880 census of Jay Co, IN Sarah E. Taylor age 18, sister, was living with Herschel H. & Mary E. Hidy. Herschel b IN, parents b. VA & OH. Based on the birth states of Mary's parents she was a sister to Sarah.