An Army brat, she was born in Washington, DC, and was an alumna of the Northampton School for Girls and Smith College.
She was the widow of retired Army Colonel Robert L. Sweeney, Jr., to whom she was married for 54 years prior to his death in 2005.
She was a lifelong volunteer to military, medical, and scouting causes. Her other interests included bridge, puzzles, and shopping.
In addition to her husband, she was preceded in death by her sisters Marianne Cleary and Louise Bassett. She is survived by children Anne Sweeney, Robert (Cindy) Sweeney III, Barbara Sweeney, and Susan Sweeney, all of Annapolis; Mary (John) Koger of Dedham, MA; and Laura (Geoff) Stricker of Falls Church, VA; 10 grandchildren and 2 great-grandchildren.