Joseph Daniel Tolker, 24, of Gaithersburg, MD died on April 4, 2017. He was the son of Joe and Barbara Tolker; brother of Yvonne and Hannah. He was a graduate of Covenant Life School and a 2016 graduate of the University of Maryland. Friends may call at DeVol Funeral Home, Gaithersburg, MD on Saturday, April 15, 2017 from 10:00 AM to 11:00 AM when a service will be held at 11:00 AM. Interment to follow at Gate of Heaven Cemetery, Silver Spring, MD.