Welsh was born and raised in Regina, Saskatchewan. She graduated from University of Regina, with a B.A. in 1986. She has produced, written and directed films for more than 30 years. Welsh's 2006 National Film Board of Canada documentary Finding Dawn, about murdered and missing Canadian Aboriginal women, won a Gold Audience Award at the 2006 Amnesty International Film Festival. Other film credits include: Women in the Shadows (directed by Norma Bailey,1992), Keepers of the Fire (1994), Kuper Island: Return to the Healing Circle (with Peter C. Campbell, 1997), and The Story of the Coast Salish Knitters (2000).