Willa J. (Johnstone) Williams, of Camden, ME, passed away on November 14, 2015 at the age of 90. Willa was born in Lawrence, MA on May 9, 1925 to Herbert A. and Myrtle (Brown) Cassidy. She grew up in Watertown and Belmont, and graduated from Belmont High School. Willa worked as an office administrator much of her life for several different companies including John Hancock, Raytheon, McLean Hospital, The First Baptist Church in Belmont and Gloucester, and Chalmers & Perry CPA in Gloucester. She also taught at the Landmark School in Beverly. Willa was very passionate about volunteer work, and spent much of her spare time over the years volunteering for the Red Cross, The Lord's Warehouse in Longboat Key, Heavenly Threads in Camden, ME and for Habitat for Humanity. Her nature was to give and help others. In addition to charity work, Willa enjoyed baking, knitting, painting and photography. She was very artistic and creative. Willa would always attend as many of her grandchildren's events as possible. For the last nineteen years, Willa split her time between Camden, ME and Longboat Key, FL. She was truly a wonderful person, small in stature, but big in heart. She had quick wit, a great sense of humor, and her door was always open to anyone. Willa's family would like to thank the staff at Winchester Rehab & Nursing Center for the kind care they provided. She was the loving mother of C. Douglas Johnstone & his wife Pauline of Camden, ME, Laurie Johnstone & Gerald Carmody of Melrose, Glen Johnstone & his wife Tracey Armstrong of Beverly, Gary Johnstone & his wife Patricia of Gloucester, Valerie Fay & her husband Dan of North Andover, and Harry Wight & his wife Sue of Carlisle. Step-mother of Lynn Waldron, Joyce Lob, Marjorie Williams, Billie Montoute, & Jonathon Williams. Cherished grandmother of Kara, Brittany, Michael, Kaitlyn, Abby, Andrew, Haley, Jack, William, & Tyler. Proud great-grandmother of Hunter. Caring sister of Ronald Cassidy & his wife Deborah of Bradenton, FL. Sister-in-law of Charles Whalen of Liberty, ME & Barbara Cassidy formerly of Liberty, ME. Predeceased by her former husband, Douglas I. Johnstone, and by her siblings: Herbert Cassidy, Kenneth Vernon Cassidy, John (Jack) Cassidy, and Winifred Whalen. A Funeral Service will be held on Thursday, Nov. 19th, 2015 at 5 PM at the Gately Funeral Home, 79 W. Foster St., Melrose, followed by Visiting Hours from 5:45 PM to 8 PM. A Celebration of Life will be held on December 12, 2015 at 11 AM at the First Baptist Church, 221 Cabot St., Beverly, MA. Relatives & friends are respectfully invited to attend. In lieu of flowers contributions can be made in Willa's name to Habitat for Humanity International, 121 Habitat St., Americus, GA 31709-3498.