It was unclear from your inquiry when the matter was heard. If the matter is less than about 35 years old, I would recommend that you begin your search by contacting the Court of Queen’s Bench in Calgary:

Court of Queen's Bench Calgary
Suite 701-N
Calgary Courts Centre
601 - 5 Street SW
Calgary, AB
T2P 5P7


Phone: (403) 297-7538

Calgary divorce files created before 1971 would be held at the Provincial Archives of Alberta.