just checked with church of jesus christ of the latter day etc. not always reliable I know but they have a marriage listed between Wm Mc Gain and Martha Watterson 26th July 1883, and a birth William henry parents wm. and Martha McGain 8th Sept Rushen , and another of Annie b. 4 Sep 1884 port st Mary Rushen chrstnd 18 nov 1884... parents Wm, and Martha McGain..... confused ! too many Williams!