Not researching them myself...was just doodling!
Even on George Armstrong's transcripts you'll see the marriage of
1821 William JOHNSTON of Dublin, Late of Par. of Magheraculmoney to
Jane Johnston Par. of Drumkeeran
...so maybe they were in Dublin.
Re: FERMANAGH-GOLD William BAXTER & Margaret JOHNSTON!!!!!!!!!!
Date: Fri, 30 May 2014 11:23:43 -0700 (PDT)
Good try, but no brass ring :-)