Mrs. Abby M. O'Neill The O'Neill family mourns the passing of their beloved Abby Milton O'Neill on May 3, 2017. She died peacefully in her sleep at age 89. Born in New York, Mrs. O'Neill was the daughter of David Meriwether Milton and Abby Rockefeller Mauze. She was the eldest grandchild of John D. Rockefeller, Jr. and Abby Aldrich Rockefeller. She graduated from Foxcroft in 1946 and from Bradford College in 1948. She was dedicated to Bradford and served as its Board Chairman for nine years. Mrs. O'Neill was Chairman of Rockefeller Financial Services and Rockefeller & Company from 1998 to 2004 and Trustee from 1979 to 1998. She also served as a Trustee of Massachusetts Financial Services Mutual Fund from 1992 to 2003. Mrs. O'Neill was involved with numerous educational, arts, environmental and community service organizations over a lifetime of philanthropy and service. She served as Chairman of the Rockefeller Brothers Fund, President of Greenacre Foundation, Vice-Chairman of The Colonial Williamsburg Foundation, a Trustee of Teachers College Columbia University, and a dedicated Trustee of International House New York for over 59 years. A longtime resident of Oyster Bay, NY, Mrs. O'Neill was a Trustee of the Community Foundation of Oyster Bay which she and her husband George were instrumental in establishing and on whose Board they served as Trustee for over 50 years. She was a Trustee of the Youth & Family Counseling Agency of Oyster Bay-East Norwich, as well as a Trustee of the Parent-Child Home Program of Nassau County. She was devoted to her husband, her six children, her 18 grandchildren and three great-grandchildren. She organized countless family trips and gatherings, and was an avid gardener and golfer. She was also a resident of Jackson Hole, Wyoming and Lake Wales, Florida, where she was a member of the Mountain Lake Club. She is survived by her husband of 67 years, George D. O'Neill of Oyster Bay, New York and their six children: George D. O'Neill, Jr. (Erica) of Lake Wales, FL; Abby O. Caulkins (Charles) of Chappaqua, NY; David M. O'Neill (Connie) of Greenwood Village, CO; Catharine O. Broderick (Kevin) of Grosse Pointe Farms, MI; Wendy H. O'Neill (David Rayner) of Sarasota, FL and Peter M. O'Neill (Katie) of New York, NY. In lieu of flowers, donations may be made to the Community Foundation of Oyster Bay, P.O. Box 329, Oyster Bay, NY 11771, The Colonial Williamsburg Foundation, P.O. Box 1776, Williamsburg, VA 23187 or a charitable organization in which you and she shared an interest.