Jean Kathleen Trainum McKay

Jean Kathleen (Trainum) McKay (born February 3, 1924 – November 7, 2016) was a captain in the United States Air Force who served as the staff dietitian in the Office of the Air Force Surgeon General and as the dietitian for the Mercury Project.

Career
Prior to her assignment to Project Mercury in April 1961, McKay was assigned to the Office of the Air Force Surgeon General. At NASA, McKay was responsible for planning specific menus, purchasing the food and supervising preparation and serving, and conducting nutritional analysis and reporting to the National Aeronautics and Space Administration (NASA).

A collection of material related to McKay, including the feeding plans and papers on nutrition that she developed, are held in the National Air and Space Museum Archives.

Personal life
Jean Kathleen Trainum was born in Missouri. She married William McKay, an Air Force pilot from Elgin, Nebraska. In her retirement, until her death in 2016, McKay served as a volunteer docent at the San Diego Air and Space Museum for nearly two decades.