Last seen: July 5, 2016, Milcroft Park Drive, Burlington, ON.
Physical description: Female, white, 5'2" tall, 110 lbs, and white, wavy, collar-length hair. She was wearing glasses, two different shoes, and possibly a red long-sleeved collared shirt.
Distinct marks: N/A.
Leads: Helen has Alzheimer's disease and is an avid walker. She may have walked a far distance and be outside Halton region now.