Sinsinawa Dominican Sister Mary (Marie Alfred) Rathert, 82, died Jan. 20 in Muskego, Wisconsin.

Born in Madison, Wisconsin, she professed vows with the Sinsinawa Dominicans in 1963. She earned a bachelor’s degree in mathematics from Rosary College (now Dominican University), River Forest; a master’s degree in math education from Ohio State University; and a master’s degree in organizational leadership from Gonzaga University.

Sister Mary’s ministry was dedicated to teaching, pastoral care and social service work. She taught math at Visitation High School and at Trinity High School, River Forest, as well as in Milwaukee and in Omaha, Nebraska.

She then served her congregation on the formation team for the Sinsinawa Dominican Novitiate, as a provincial councilor for the Eastern Province, and as councilor on the Sinsinawa Dominican Leadership Council.

She worked in outreach and parish ministry in Florida, West Virginia and Virginia, and as a program director in Washington.