Mary (Kellner) Deutsch, 91, recently of New Haven, and formerly of Queens, N.Y., died June 21. She was the widow of Victor Deutsch.Born in Cologne, Germany, she was the daughter of the late Leib and Gittel Kellner. She is survived by her daughter, Gladys Deutsch Horowitz and her husband Sidney; her grandchildren Andy Horowitz and his wife Sarah Gray, and Jesse Horowitz  and his wife Gabrielle Thal-Pruzan. She was also predeceased by her sisters, Sophie and Emma, and her brothers, Max and Simon.