Police and the family of Denise Glenn from Ballymoney are becoming increasingly concerned for her welfare.
It is understood that Denise had been staying in Carrickfergus for the weekend.
She was last seen around 8 / 9pm on Saturday evening at which point her partner reported her missing. Her belongings were found at a bus stop in the town near Subway.
A police spokesperson said “ I would ask Denise or anyone who knows of her whereabouts to contact officers on 101 quoting reference number 30/03/19 1632.”