Joan M. Johnston, nee Gersic, of Ridge, NY passed away on October 23, 2017. Beloved wife of Robert J. Johnston, Jr.. Loving mother of Glenn and his wife Sandy, Cara Butto and her husband Anthony, Douglas and his wife Diane and Lydia Kaminska and her husband Glenn. Cherished grandmother of Luke, Matthew, J.P., Connor, Sabrina, Aidan and Robert III. Reposing at the O.B. Davis Funeral Home, 1001 Rt. 25A, Miller Place, NY. Visitation Thursday 2-4 and 7-9 pm. A Funeral Mass will be celebrated 10 am. Friday at St. Mark's R.C. Church. Interment to follow at Calverton National Cemetery. In lieu of flowers donations to www.slcd.org would be appreciated.
