Hello Sue,

I found the following for your William Taggart - the Marriage to Margaret Kelly is after the death of Margery Taggart als Bridson in 1699,

Isle of Man, Parish Registers, 1598-1950

name:Wm Taggart
event:Marriage date:02 Sep 1700
event place:Malew, Isle of Man
gender:Male
spouse:Margt Kelley
digital folder number:004496108

this could also work out for Jane MOOR being the FIRST wife m. 18 Apr 1721 of William Taggart (the son of William Taggart and Isabel Harrison) and SECOND wife Ellin BRIDSON m. 27 Mar 1733

Burial,
TAGGART, Jane Malew14 Oct 1732 MOOR

Will,
TAGGART, Jane 1732-2 Malew MOORE E d 0106373