Robert F. Monaghan, III, age 47, passed away, Friday, June 23, 2023, in St. Vincent's Medical Center. Robert is survived by his beloved parents Robert F. Monaghan, Jr. and Kathleen Shanahan Monaghan of Trumbull, a devoted brother to Brendan Monaghan and wife Lynn Monaghan of Framingham, MA, his sisters Bridget Cahill and husband Patrick Cahill of Hanover MA, and Colleen Miller and husband Shawn Miller of Erie CO, nieces and nephews Patrick Cahill Jr., Ciara Cahill, Conor Cahill, Meghan Monaghan, Nora Monaghan, Tiernan Miller, and Fiona Miller. Funeral services will be private and held at the convenience of the family. To send online condolences please visit www.redgatehennessy.com