Mary Theresa Koumjian

A funeral service for Mary Theresa Koumjian of Watertown will be held on Thursday, January 15, 2026, at 7:00 PM at the MacDonald Rockwell & MacDonald Funeral Home, 270 Main Street, Watertown.

Mary was the beloved daughter of the late John J. Koumjian and Mary Ellen (Howard) Koumjian. She passed away peacefully on January 8, 2026, after a courageous battle with cancer. She was 67 years old.

Mary was a gifted and passionate artist. She was a talented musician, singer, and songwriter, as well as a dedicated actress who performed in numerous stage productions. She was a proud member of the Screen Actors Guild. Mary graduated from The Catholic University of America in 1980 with a Bachelor of Arts degree.

She was the loving sister of Kate Joyce of California, Margaret Tiedemann and her husband Hank of Marshfield, and the late John H. Koumjian, James A. Koumjian, and Eileen A. Knighton. She is also survived by several nieces and nephews, all of whom she cherished deeply.

Visiting hours will be held on Thursday, January 15, 2026, from 4:00 PM to 7:00 PM at the MacDonald Rockwell & MacDonald Funeral Home, immediately followed by the funeral service at 7:00 PM. Relatives and friends are kindly invited to attend.

A private interment will take place at the Koumjian family lot in Ridgelawn Cemetery.

Memorials in Mary's memory may be made to the American Cancer Society P.O. Box 6704 Hagerstown, MD 21741or at http://www.cancer.org

To send flowers to the family or plant a tree in memory of Mary Theresa Koumjian, please visit our floral store.