Donna Sue

Sylvester

Donna Sue Sylvester passed from this life on November 7, 2026, in Oklahoma City at the age of 80. Donna was born on September 21, 1946, in Stillwater, Oklahoma, to Kenneth and Eloise (Vines) Longan.

Donna graduated from Tonkawa High School and went on to marry Henry Elroy Sylvester in 1964. After spending several years in California, she moved back to Oklahoma and settled in the Stillwater area, where she raised her two sons. She was a devoted mother, always sacrificing for her children.

Donna enjoyed getting together with her siblings and cousins. Often, these get-togethers involved playing card and board games or bingo.

She retired from Mercury Marine and later decided to return to work at the Oklahoma Department of Human Services before retiring again.

In her later years, she moved to Newcastle, Oklahoma, to be near her grandchildren. She loved watching her grandkids grow up and attending their sporting events and school activities. While living in Newcastle, she was an active member of the Silver Saints group at Newcastle Free Will Baptist Church. Donna’s final home was at Stillwater Christian Villa, where she enjoyed playing games and sharing meals with her neighbors.

Donna was preceded in death by her parents, Kenneth and Eloise; her son, Terry Dewayne; and her sisters, Linda Butler, Jan Harris, and Sherri Barnard.

She is survived by her two sons, Kenneth Ray Sylvester and wife Jamie of Edmond, and Steven Jay Sylvester and wife Julie of Stillwater; three grandchildren, Tanner Jay Sylvester and wife Morgan, Hailey Lauren Sylvester, and Kennedy Grace Sylvester; one great-grandchild, Jay Brian Sylvester and one expected great-grandchild, Callan Jack Sylvester; sisters Marilyn Longan of Stillwater and Patty Nondorf and husband Tony of Perkins, Oklahoma; brother Troy Longan and wife Sherri of Stillwater; and a number of cousins, nephews, and nieces.