Deines was born in Edmonton, Alberta and raised on Vancouver Island, British Columbia, where from a very young age, she and her childhood troupe wrote and performed plays at local community events. Deines aggressively pursued her acting passion by moving to Toronto, where she attended and graduated from the Ryerson Theatre School. Deines has appeared in numerous television series. Her theatre credits include the Stratford Festival Theatre and the Glen Morris Studio. Deines has a diverse range of interests including rock climbing, learning to speak Spanish and writing poetry. She currently resides in Toronto.