William M. Aston of Shelter Island passed away at home on Friday, September 25, 2026. He was 90 years old. The family will receive friends on Monday, October 5th from 2-4 and 6-8 P.M. at the DeFriest-Grattan Funeral Home, 51400 Main Road (NY-25), Southold, New York 11971. A Funeral Mass will be held on Tuesday, October 6th at 10:30 A.M. at Our Lady of the Isle R.C. Church on Shelter Island, officiated by Father Peter DeSanctis. U.S. Army Honors will be rendered at the conclusion of Mass.