On Monday, September 4, 2017, of Silver Spring, MD and San Diego, CA. Beloved husband of Patricia B. Weingart; step-father of Margaret O’Neill (Thomas Kane), Molly O’Leary (Jerry) and Kathleen O’Neill (Kathrin Schwerdtfeger); grandfather of Clare and Maeve Kane, and Daniel O’Leary. Also survived by numerous cousins and friends. The family wishes to thank the staff at The Village at Rockville for their loving care. Peter spent his 35 year career with the Boy Scouts of America retiring as an Executive. Visitation will be held at Our Lady of Grace Church, 15661 Norbeck Blvd, Silver Spring, MD, Saturday, September 9, from 10:30 a.m. to 11 a.m, followed by a Mass of Christian Burial at 11 a.m. Interment San Diego, CA at a later date. In lieu of flowers, memorial contributions may be made to the Lourdes Foundation Inc., 1710 Industrial Dr. NW, Rochester, MN 55901 or to St. Mary’s University, 700 Terrace Heights, Winona, MN 55987.