I obtained the passenger list detailing my ancestors emmigration to Canada which states it was on the ship Parisian 31 Dec 1891 from Liverpool to Halifax.
However this voyage is not listed on the Allan Line list of voyages nor can I find records of it arriving with the Canadian Records Office
If you already have the passenger list of their arrival in Halifax -- what else can you be seeking?
Perhaps you should transcribe the passenger list and submit it to various websites which are trying to collect and publish exactly that type of info for others. This website, the Ship Transcribers Guild, etc. I know that the Ship Transcribers Guild has easy to understand online instructions and formats.