Visitation will take place from 2 to 4 p.m. and 7 to 9 p.m. Sunday at the Edward F. Carter Funeral Home at 41 Grand Street in Croton.
A funeral mass will take place at 10 a.m. at Holy Name of Mary Church in Croton, followed by internment at Bethel Cemetery.
Hartney, 81, was a longtime volunteer at Phelps Memorial Hospital.
Contributions can be made to the Joan Hartney Memorial Fund at Phelps Memorial Hospital via The Development Office, 701 N. Broadway, Sleepy Hollow.
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