Mark Douglas Sr. 63 of New Haven passed away October 16, 2021 at Yale New Haven Hospital. He was born November 24, 1957 in New Haven to the late Edwin and Eleanor Douglas. He is survived by his mother, Eleanor Douglas, wife, Josephine Douglas and four children, Mark Douglas Jr., Joseph Douglas, Christine Supple (Shawn) and David Douglas along with ten grandchildren. He is also survived by his siblings, Edwin Douglas, Lynn Douglas and David Douglas. Prior to his retirement, he worked the printing press at Lehman Brothers. Family will receive friends on Sunday, October 24, 2021 from 12 P.M. (Noon) until the time of service at 3:15 P.M. in the Clancy-Palumbo Funeral Home, 43 Kirkham Ave., East Haven. Burial will be private.