Margaret E. Heiderstadt, 76, of Farmingdale, passed away surrounded by her family on June 29, 2009. Wife of 51 years to John. Mother of Donna, John (Pam), Steven (Susan) and Michael (Caroline). Grandmother of 11. Sister of Harry (Patricia) Glass and the late Joseph Glass. Arrangements were made by Arthur F. White Funeral Home. Funeral Mass was held July 3 at St. Kilian RC Church with interment following at St. Charles Cemetery.