Donald L. "Magoo" McWilliams of West Valley, NY passed away on Tuesday, October 26, 2021 at Fiddler's Green Manor Rehabilitation and Nursing Center in Springville at the age of 69. He was born December 10, 1951 in Manhattan, NY a son of the late Donald and Virginia (Welch) McWilliams. He was a ride supervisor for Powers Great American in Whiteville, NC and enjoyed carnivals, railroads and football - especially the Buffalo Bills and Pittsburgh Steelers. He is survived by his significant other of 47 years, Linda Terhune; his sister, Pamela Roach of Middletown, NY; his nephew, O'Herald (Tracey) Roach; his niece, Tamara Roach; his great-niece, Tayah; his honorary granddaughter, Bailey Walter; also survived by several cousins, Linda's extended family members of which he considered his own and his pets, Maggie, Sneezy and Oddball. In addition to his parents, he is preceded in death by his grandmother, Eva "Geda" Brown. Friends may call on Saturday, October 30, 2021 from 2-4pm at the Smith-Weismantel Funeral Home, 271 E. Main St., Springville where a Funeral Service will be held at 4pm with Pastor Vonnie Vredenburg officiating. Memorials may be made to the American Cancer Society, 101 John James Audubon Society, 101 John James Audubon Pkwy, Amherst, NY 14228.