Houghton, William (Bill) - Suddenly on Thursday, October 31, 2013 at Mackenzie Health with his family by his side in his 80th year. Beloved husband of 57 years of Margaret (nee Allan). Loving father of Robert (Bob) and wife Susan, Jim and wife Michelle, Laura Houghton and husband James Pinhorn. Dear grandpa of Melissa, Julie, Elizabeth, Brad, Jeff, Emily, Benjamin and Katie. Friends may visit at the Jerrett Funeral Home-Vaughan Chapel, 8088 Yonge Street (south of Hwy 7), Thornhill, Ontario on Sunday, November 3, 2013 from 2-3 p.m. A Celebration of Bill's Life will be held in the chapel of the funeral home at 3 p.m. Donations to the Diabetes Association or Mackenzie Health Foundation would be appreciated by the family as your expression of sympathy.