On Friday, March 17, 2017, of Washington, DC. Beloved husband of the late Laura Ellis Mulligan; brother of Barry W. Mulligan and the late Mary Annette King; father of Tracy Ellis (Margaret) and John Robert (Annie) Mulligan; grandfather of Rebecca (Keith) Cousins, Tracy Ellis Jr., Joseph (Juliane), Sharon (Aldo), Christopher (Marian) and Dennis (Salma) Mulligan; great-grandfather of Sean, Nicole and Adriana Cousins and Maxwell Mulligan. Relatives and friends may call at Collins Funeral Home, 500 University Boulevard West, Silver Spring, MD, (Valet Parking), Friday, from 2 to 4 and 7 to 9 p.m. Memorial Service at Knollwood Military Retirement Community, 6200 Oregon Avenue NW, Washington DC, 20015 on Saturday, March 25, 2017 at 1 p.m. Interment Arlington National Cemetery. Memorial contributions may be made to ARC of Montgomery County, 11600 Nebel Street, Rockville, MD 20852 or Army Distaff Foundation, 6200 Oregon Avenue NW, Washington, DC 20015.