Waltham Mrs. Theresa L. (LeBlanc) Groth of Waltham died Friday, September 23, 2005 in Marlborough Hospital. She was 79. Born in Waltham a daughter of the late Joseph and Lucienne (Aucoin) LeBlanc, she was a lifelong Waltham resident before retiring to Daytona Beach, Florida ten years ago. Mrs. Groth was a graduate of Waltham High School and had worked for many years for the Polaroid Corporation in Waltham. The wife of the late Louis H. Groth, she leaves her children, Paula A. Aucoin and her husband Robert of Boxborough, Lynne E. Tatershall and her husband Todd of Bethel, VT, William P. Groth and his wife Kathleen of Watertown, Judy E. Smith and her husband Kevin of Cardville, ME and Thomas D. Groth and his wife Maureen of Uxbridge; one brother, Paul Edward LeBlanc of Waltham; one sister, Dora Gross of West Boylston; 10 grandchildren, 3 great-grandchildren, many nieces and nephews, and her dear friends, William and Florence DeRusha of Florida. Mrs. Groth was also a sister of the late Roger, Hubert, and Lionel LeBlanc. Relatives and friends are invited to attend the Funeral at 9:30 a.m. Tuesday from The Joyce Funeral Home, 245 Main Street (Rte. 20), Waltham followed by a Funeral Mass in Saint Jude Church, 147 Main Street, Waltham at 10:30 a.m. Burial will be in Holyhood Cemetery, Brookline. Visiting hours are Monday from 5 to 9 p.m. Memorial donations may be made to the Cystic Fibrosis Foundation, 220 N. Main Street, Suite 104, Natick, MA 01760.