Nellie Dewlin Royston died on Thursday, August 18 at Broadmead Retirement Community in Cockeysville, Maryland. She was 90 years old. Mrs. Royston was a lifelong resident of Baltimore and a member of Trinity Episcopal Church in Towson. She worked for the Baltimore County Extension Agency and the Baltimore County School System. Mrs. Royston was married for 69 years to George Bosley Royston, who preceded her in death. She is survived by a son, David, a daughter Pamela, and one grandson, Thomas Bosley Macfie. The funeral liturgy will be at Trinity Episcopal Church, Towson, on Tuesday, August 23, at 1:00 PM and the committal service to follow at Dulaney Valley Memorial Gardens.