Mr. Onyx Clyde Barker, 80, of Frederick, died Friday, May 17, 2019. He was the loving husband of Doris V. Barker for 57 years. The graveside service will be held at 1:00PM, on Tuesday, May 21, 2019 at Mt. Olivet Cemetery, 515 S. Market Street, Frederick, MD 21701. Online condolences may be shared at www.keeneybasford.com.