Diane E. Gildersleeve of Mastic, and formerly of Mattituck, died Feb. 21, 2026. She was 82 years old. Born June 26, 1943, in Morgantown, West Virginia, she was the daughter of Edith V. (Knight) and Earl F. Foster and was one of 11 children. She married James Herbert Gildersleeve on April 6, 1986, at their home on Pike Street in Mattituck. In her professional career, she worked as a… Source
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