Rochester, N. Y. Jan. HO.- Mra. Amy Kirby Post died here Tuesday night, aged 86 years. She was a prominerit woman suffragist and abolitionist, and at one time had thirteen runaway slaves concealed in her cellar, whom sho managed to get away by the underground railroafl. Fred Douglass was helped by her in nis early days. Her philanthropy also extended to the Indians, by whom she was greatly beloved.