I see. In that case, I think you have two options:Yes, I do have one. I don't go by the new name yet but I plan to change my birth certificate and passport to claim the CRS points for having a brother in Canada.
1) submit an affidavit of same person, stating that the person with the different names is one and the same
2) simplify and make all your documents under the name you intend to use
Submitting the affidavit however might still require attaching the other documents in Option (2).