Authorities are looking for a late-1990s faded orange or red Ford Mustang with an Alabama license plate.
An Amber Alert has been issued for 2-year-old Gracie Harding and her 33-year-old mother Rebecca Harding, who were both last seen in the 1600 block of Otter Pond in Westville.
Gracie was last seen wearing a diaper and Rebecca was last seen wearing a white spaghetti strap shirt, a hooded sweater and pajama pants.
The suspects sought by authorities are Joseph Harding, 35, who was last seen wearing a black shirt and black jeans, he has a moustache and full beard; and Paul Vaughan, 39, who was last seen wearing a turquoise shirt and cut-off jean shorts.
They may be traveling in a late-1990s faded orange or red Ford Mustang with an Alabama license plate.
Authorities warn if the car is spotted, do not approach. Contact a local law enforcement agency or call 911.