Baltimore County Police are actively searching for a missing woman with severe dementia and need the public's help to find her safe.

Shirley Benny (76) was last seen more than three hours ago in the 6100 block of Marglenn Avenue in  White Marsh. She is approximately 5'0", 90 pounds, with gray shoulder length hair and brown eyes. She was last seen wearing a black short-sleeved shirt with multicolored trees printed on the front, blue jeans and gray shoes. She may also be wearing a long-sleeved button-down shirt of an unknown color, as well.

Anyone with information on her whereabouts is asked to contact police at 410-307-2020 or by dialing 9-1-1.