McDonald of Billerica, April 20, 2009, Annette M. (Nille) McDonald, age 71. Beloved wife of the late Charles S. McDonald. Devoted mother of Zena Marie Cron, Kathleen Ann Tyler, and the late David Q. McDonald. Also survived by three loving grandchildren, Tiffany, Brittnay, and Michael, and her two sisters. A graveside service will be held in Fox Hill Cemetery, Billerica, Saturday, April 25 at 10:00 a.m. Relatives & friends invited. Visiting hours in the Burns Funeral Home, 354 Boston Rd. (Rt. 3A), Billerica, Friday, April 24 from 6:00-8:00 p.m.