Skip the "my grandmother", "my great-grand....." in your posts, that info clutters the post and is not relevant on a general board. If you're posting on a surname board and looking to connect with others, than have at it.
Have you found the marriage record for Josephine Therrien & Telesphore Fortin? Did it occur in Canada? That's going to tell you who the parents are. You need this record before a bap record.