Mary â??Tillieâ? Poarch Sibistowicz, 93, of Colonial Heights, passed away Friday, March 2, 2012. She was the daughter of the late Solomon J. and Mary Ethel Moody Poarch. She was preceded in death by her husband Leonard W. Sibistowicz, son William Leonard Sibistowicz, two sisters Lee Belmont and Louise Haraway Martin, a brother Modie Poarch. She is survived by numerous family members. All services will be private. The family would like to thank Dr. Goldberg and his staff, The Dunlop House and the Crater Community Hospice for all the love and care for â??Tillieâ?.