David Mercer was born on August 15, 1950 in Cleveland, Ohio. He passed away on July 1st, 2021 in Oklahoma City. He attended high school in LaGrange, Illinois. During summers, he attended Culver Military Academy where he achieved the rank of Regimental Commander. He was a graduate of Princeton University. While at Princeton, he was a member of the Princeton Tigertones—an all-male a cappella double octet group for which he served as president. They appeared up and down the east coast and in Bermuda during spring breaks. Singing continued to be David's passion. Throughout his adult life, he performed in many weddings and funerals. He was also an avid sports fan and particularly enjoyed cheering on the Princeton Tigers, Chicago Bears, Chicago Cubs and Oklahoma Sooners. After graduation from Princeton, he received a Masters Degree in Public Affairs from Indiana University. For over 30 years, David was a stockbroker and branch manager for brokerage firms in Oklahoma City. He was also a Certified Financial Planner (CFP). He was always involved in the community and especially enjoyed the fund raising aspect of his board commitments. He served on the boards of the American Red Cross, Prevent Blindness Oklahoma, Oklahoma City All Sports Association, OKC Beautiful, and Youth Leadership Exchange. He was also a member of Class xx of Leadership Oklahoma City. David was preceded in death by his parents, June and Aaron Mercer of Cincinnati, Ohio. Survivors include his wife Helen, brothers Ron Mercer (Renee) of St. Louis, Fred Mercer of Oklahoma City, numerous nieces and nephews and his beloved guide dog, Treva. Donations can be made to Foundation Fighting Blindness (Columbia, Maryland) or Guide Dogs for the Blind (San Raphael, California). A Celebration of Life will take place on Thursday, August 12 at 4:00 at Quail Creek Golf and Country Club.