Mary Therese McDonnell, is an Irish American soccer defender. She is a Republic of Ireland women's national football team player. After being released from St. Louis Athletica's preseason training camp in March 2010, she rejoined the Chicago Red Stars for 2011.

The Chicago Red Stars are a professional women's soccer club based in Bridgeview, Illinois, a suburb of Chicago. A founding member of the Women's Professional Soccer (WPS) league, they have played in the National Women's Soccer League (NWSL) since 2013.