In 1983, she earned a master's degree in public administration at Western Michigan University.
[2] Walker worked at the Detroit Public Library early in her career, and was director of personnel when she left in 1977.
[11] She appeared in a documentary about local philanthropy, The Gift of All: A Community of Givers (2008) by Daniel Garcia.
[12] Walker was president of the International Public Management Association for Human Resources (IPMA-HR), and received the professional organization's Warner W. Stockberger Achievement Award in 1996, for her decades of service in the personnel field.
Margaret Sellers Walker Morris died in 2020, aged 84 years, in Jacksonville, Florida.