Born the youngest of four children to Irish (Dublin, Ireland) parents, Erica's childhood was divided between Fort St. John and Duncan, British Columbia.
Erica began performing at age four as an Irish dancer and then in public school stage productions. She went on to attend the Canadian College in Victoria, British Columbia, American Academy of Dramatic Arts in Los Angeles and The Gaiety School of Acting in Dublin, Ireland.
Erica was nominated for a Leo award for Best Performance by a Female in a Short Drama in the short film When Jesse Was Born (2005). She also received a win for Best Female Performance in the Sacramento Film Festival for the same role.