At around 8.55am on Saturday 25 January 2014, the driver of a silver mini Cooper lost control of the car and collided with trees on the A627 (M) southbound, close to the junction with Elk Mill.
22-year-old Georgina Taylor from North Yorkshire was taken to hospital suffering from serious head and neck injuries.
She sadly died from her injuries later on Saturday evening.
Her 13 month old son who was travelling in the car with her suffered cuts and bruises.
Paying tribute, her family said: Georgina Lauren Taylor, known to her friends and family as George, was a loving mother, daughter and sister and leaves behind her 13 month old son, Rory.
Anyone with information should phone police on 0161 856 4742.