The Derry, New Hampshire, community is mourning the heartbreaking loss of Monica Catherine McCarthy, who passed away on Wednesday, July 29, 2026, after sustaining critical injuries in a tragic motor vehicle collision. She was just 24 years old. Her sudden passing has left her family, friends, coworkers, and everyone who knew her devastated as they remember a vibrant young woman whose kindness, creativity, and fearless spirit made a lasting impression.
According to the Derry Police Department, the crash occurred at approximately 12:55 p.m. at the intersection of Hampstead Road and Nutmeadow Lane. Investigators reported that Monica was driving a 2017 Toyota Corolla when it collided with a 1998 Peterbilt dump truck operated by Steven Morse, 43, of Hampstead. The impact caused extensive damage to the driver’s side of Monica’s vehicle.
Emergency responders from the Derry Fire Department rushed Monica to Parkland Medical Center with life-threatening injuries. Despite the tireless efforts of medical personnel, she later succumbed to those injuries.
Monica was a lifelong resident of Derry and attended Pinkerton Academy before beginning her career at Full Frontal Lobotomy, where she was admired by coworkers for her authenticity, compassion, and strong work ethic. She was known for her artistic talents, outspoken personality, and unwavering commitment to standing up for what she believed in. Friends often described her as someone who embraced life on her own terms while making everyone around her feel accepted and valued.
She is lovingly remembered by her parents, Dawn McCarthy and Riddley Walker, her grandmother Linda McCarthy-Coddens, her extended family, and her devoted boyfriend, Malcolm LaRiviere. Heartfelt tributes from loved ones have celebrated Monica’s vibrant personality, generous heart, and ability to brighten every room she entered.
As the investigation into the collision continues, family and friends are finding comfort in the countless memories Monica created throughout her life. Though her time was far too short, her courage, creativity, and compassion will continue to live on in the hearts of everyone fortunate enough to know her.
Heartfelt condolences are extended to the McCarthy family, Malcolm LaRiviere, and all who are mourning this profound loss. May Monica Catherine McCarthy rest in eternal peace, forever loved, deeply missed, and never forgotten.