On Sunday, September 3, 2017, of Rockville, MD, Beloved husband of Jennifer Guthrie; father of Megan, Tyler, Shannon, Luke, John and the late Mark Guthrie; brother of Nancy (Bill) Wilson, Jack (Peggy) Guthrie, Arlene Guthrie and the late Ken (Laurie) Guthrie. Also survived by other loving family and friends. Relatives and friends may call at Collins Funeral Home, 500 University Boulevard West, Silver Spring, MD, (Valet Parking), Thursday, September 7, from 2 to 4 and 7 to 9 p.m. Mass of Christian Burial at St. Catherine Laboure Church, Veirs Mill & Claridge Roads, Wheaton, MD, on Friday, September 8, 2017 at 11 a.m. Interment All Souls Cemetery, Germantown, MD. Contributions in Bob’s memory, may be made to the Chesapeake Bay Foundation, Membership Department, 6 Herndon Ave., Annapolis, MD 21403 or to the Habitat for Humanity of Montgomery County, 9110 Gaither Rd., Gaithersburg, MD 20877.