Mary Subin Helfer of Cheshire died March 18. She was the wife of Joel Helfer. She was the daughter of the late Ruth and Alvin Subin of Teaneck and Hackensack, N.J. In addition to her husband, she is survived by two daughters, Rachel Helfer Lipkin and Amy Maude Helfer; a son-in-law, David Lipkin; two grandsons, Jared and Jacob Lipkin; two sisters, Barbara Subin Mendelson and Nancy Subin Weiss; and many cousins, nieces and nephews.