Gwendolyn I. “Gwen” (Haynes) Stuart, 90, died Feb. 19, at Wingate of Haverhill. She was the wife of the late Donald A. Stuart. Born in Haverhill July 13, 1929, she was educated in Haverhill and graduated from Haverhill High School. Her career spanned many years to include King’s Dept. Store, Foss Ma