Who were the Parents of Mary Harris Jones?
Richard Harris and Ellen Cotter
"Mother" Jones was a labor and union activist of the 1880s to the 1920s. Radical and devoted to the "common laborer," her personal appearances and her autobiography inspired others to battle for workers' rights. Mary Harris Jones was a dressmaker and a community leader. She was the cofounder of the Industrial Workers of the World.
Two acceptable abbreviations for the plural of Ms. are Mses. or Mss. If you aren't comfortable with that format or the two females have different last names, you may address them individually: Ms. Mary Smith and Ms. Jane Jones; Dear Ms. Smith and Ms. Jones, Mss. Mary Smith & Jane Jones; Dear Mary Smith & Jane Jones, Prof. Mary Smith and Dr. Jane Jones; Dear Prof. Smith and Dr. Jones, Mses. Mary & Jane Smith…