According to Peel Regional Police, Shiloh was last seen around 10 p.m. on May 26 in the area of Bramalea Road and Avondale Boulevard.
Police describe the missing youth as a Black female with a slim build, standing about five-foot-one and weighing between 95 and 100 pounds. She has black braided hair.
She was last seen wearing a dark green fitted long-sleeve shirt, red and cream plaid pajama pants, a dark flowered bonnet and black Crocs. Police said she was also carrying a black backpack.
Investigators are asking anyone who knows her whereabouts or sees her to contact 21 Division Criminal Investigation Bureau at 905-453-2121 ext. 2133.