Police say Ulysse suffers from Alzheimer’s disease and has a history of wandering long distances from her family’s home.
She was last seen at Prefontaine metro wearing 3/4 length blue jeans and sandals.
She was not wearing a coat.
Police say they are concerned for Ulysse's safety and that she could be anywhere in Montreal because she often takes the metro or bus.
Police are asking anyone with information to call Info-Crime Montréal at 514 393-1133.