Callahan, Margaret T., on November 8, 2016 of Elmhurst, NY. Beloved sister of the late Rev. John Callahan and Francis Callahan. Loving cousin of Sister Marie Therese and Margaret Houston. Dear friend of Drew and Ellen Murray. Friends may visit on Thursday from 2-4PM & 7-9PM at Vernon C. Wagner Funeral Home, 125 W. Old Country Road, Hicksville, NY 11801. Mass of Christian Burial Friday 10:15 A.M. at St. Martin of Tours R.C. Church, Bethpage, NY. Interment to follow at Calvary Cemetery, Woodside, NY.