PINEVILLE, MO. — Gerald D. (Jerry) Dean Doherty, retired president of Dunbar Systems Inc., a provider of wholesale commercial baking ovens and conveyors as well as other bakery supplies and equipment systems, died April 15. He was 77 years old.

After graduating from the University of Kansas with a degree in mechanical engineering, Mr. Doherty worked in the paper industry for four years with the Beloit Corp. He then went on to a 28-year career with the Sara Lee Corp. as vice-president of engineering. After retiring from Sara Lee he continued in the food industry as president of Dunbar Systems in Lemont, Ill. He never fully retired but decided to slow down and focus on consulting work. He remained an executive adviser to Dunbar until his passing.

Mr. Doherty was preceded in death by his parents; two infant daughters, Shawn Beth and Paige Ann; and a brother, James Charles (Jim) Doherty. Survivors include his wife, Claudine Doherty of the home; two children, Bryn Leigh Doherty of Chicago and Ryan Elliott Doherty of Grantsville, Utah; two grandsons, Decker Elliott Doherty and Sawyer Elliott Doherty; a brother, Clifford William (Bill) Doherty and wife, Emelia, of Olathe, Kas.; and several nieces and nephews.

A memorial service will be held on April 26 at 12:30 p.m. at the River Ranch Resort in Noel, Mo. In lieu of flowers memorials may be sent to The Center, 12700 Southwest Highway, Palos Park, IL 60464.