You seem to be running around grasping at straws and asking for help on the chance that details of Bridget might be found. It's quite possible that her birth, marriage and death will not be online. People are searching for details here that you've already been given on other forums but you need to look at the facts.
May 1927- Arthur Loughlin (18) arrived Quebec from Belfast on "Montclare"
Nov.1948 Bridget Loughlin (41) arrived Liverpool from Montreal on "Acania" with children aged 14, 11 & 6. Going to Crumlin, country of intended future residence- Irish Free State
Sept.1958 Bridget Loughlin (born 5/6/1907) departed Liverpool for Montreal on "Sylvania" Address- The Gulf Lennymore CoAntrim.
Dec.1958 Bridget Loughlin (born 5/6/1907) arrived U.K. on "Empress of France". Last residence & intended residence- Ireland.
I see no indication that Arthur Loughlin was a farmer rather than a farm labourer. For reference, here's the location of Ballyshanaghill townland-
https://www.townlands.ie/antrim/massereene-upper/camlin/ballyshanaghill/Brother John Loughlin's birth (1914) gives father James Henry Loughlin as labourer and residence as Gobrana which marches Ballyshanaghill-
https://civilrecords.irishgenealogy.ie/churchrecords/images/birth_returns/births_1914/01414/1580953.pdfhttps://www.townlands.ie/antrim/massereene-upper/camlin/gobrana/Since Arthur went to Canada age 18 and single it's entirely possible that he married Bridget in Canada or the U.S.