Mary Petrelli, 86, a 53 year resident of Las Vegas, passed away the night of Friday, Nov. 27, 2015. She was born in 1929 in Chicago, IL to William and Marion Gallagher. Mary is survived by her adoring family, sons, James (Cindy) Petrelli and Frank (Carole) Petrelli; grandchildren, Shane (Toni) Petrelli, Stacy (David) Lax, and TJ Patrelli; great-grandchildren, Maddison and Jackson Petrelli and Jennifer, Elizabeth and Kennedy Lax; sister-in-law, Mari Petrelli; and nephews, Joe, Nick, and Jon Petrelli and their families. Mary loved life and leaves a legacy of love and strength, not only to her family and extended family, but to everyone she touched with her smile. In lieu of flowers, donations can be made to the Alzheimer's Association. Donations can be made online at: www.alz.org.