Mr. Dennis M. O'Brien
April 12, 1947 - November 8, 2020
Mr. Dennis M. O’Brien, 73, passed away unexpectedly on Sunday, November 8, 2020. Born in Pittsfield, MA on April 12, 1947, the son of the late Marshall and Isabelle Brewer O’Brien, Dennis grew up in Stockbridge, where he graduated... View Obituary & Service Information