The crash involved a blue Isuzu D-max, a white Ford Kuga, and a red Ford Fiesta.
Ms Murray, the driver of the Ford Fiesta, was pronounced dead at the scene.
The driver of the Isuzu, a 19-year-old woman, and the driver of the Ford Kuga, a 72-year-old man were uninjured.
Investigations are ongoing and officers are appealing for anyone with information to get in touch.
Sergeant Eoin Maxwell, from the roads policing team, said: “Our thoughts are with the family and friends of Gillian Murray at this time.
“Investigation into the collision is still ongoing and I would ask anyone who has not already spoken to police or anyone that has dashcam footage of the vehicles to contact Police 101 quoting reference 0920 of December 28.”
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Victim of three-vehicle crash on A90 near Longhaven named
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