Aaron S. Hahn, age 35 passed away in a tragic motorcycle accident September 17th. Born and raised in Cambridge, he attended Cambridge Rindge & Latin High School. Aaron was a plumber and had worked for Sagamore Plumbing & Heating for the last 4 years. He enjoyed riding his motorcycle and was a former member of the Hard Knocks Motor Cycle Club. He also enjoyed off road biking on his dirt bike and carpentry. Aaron was an extremely generous person, who was always available to lend a helping hand even to total strangers. Beloved husband of Hilary G. (Wittner). Son of Donna (Hahn) Layne of Cambridge. Step-son of Cecil Layne of Arlington. Brother of Mara Hahn of Braintree and Avi Aroche of Israel. Son in law of Susan and Alan Wittner of Tucson, AZ. Also survived by several aunts, uncles, cousins, nieces and nephews. Visiting hours at the Dockray & Thomas Funeral Home 455 Washington St. Canton Sunday 2-6 pm. Relatives and friends invited to attend a graveside service at Rock Ridge Cemetery, 101 East St. Sharon Monday morning at 10. In lieu of flowers, donations may be made in his memory to the National Multiple Sclerosis` Society 101A 1st Ave Waltham, MA 02451.