Lillian was last seen at a Terrigal Street address on Monday 24 April at about 1pm.
Police and Lillian’s family hold concerns for her welfare due to her age.
The below photo of Lillian has been released in the hope that someone may have information on her current whereabouts.
Lillian is Caucasian in appearance with long straight-brown hair, medium build and has a tattoo of a peace sign on one hand and a tattoo of a cross on the other hand.
She was last seen wearing a black hooded jumper with white writing, black leggings and thongs.
Anyone who sees Lillian is urged to call Mornington Police Station on 95970 4900.
