Allenstown – Sean M. Callahan, 56, of Allenstown, passed away unexpectedly on Sunday, January 19, 2025. He was born on November 26, 1968 in Manchester, son of the late Ronald and Cecile (Brasley) Callahan. Sean was educated in the local schools and went on to complete two years of College. He owned and operated his family's business in Concord since 2011, Bargain Bed Mattress Outlet. He enjoyed looking at Antique cars, collecting model cars and was always looking at the newest models to upgrade his car to. He was considered quite the movie buff and could be found traveling to his favorite places, South Carolina and Florida. Besides his parents, he was predeceased by a brother, Craig Nelson Callahan in 1982. He is survived by his wife Sherri (Tewksbury) Callahan of Allenstown, whom he spent 29 years with, his children, Nicholas Callahan of Penacook, Melissa Callahan and her fiancé Jacob Coppola of Allenstown, Chase Callahan of Allenstown and Jasmine Dargon of Concord, sister, Linda Tierney and her husband Jim of Candia, two grandchildren, Anastasia and Aiden as well as several nieces, nephews and cousins. A graveside service will be held in the spring at Evergreen Cemetery in Pembroke. The Roan Family Funeral Home is assisting the family with arrangements. To share a memory or offer a condolence please visit www.roanfamilyfuneral.com