For these events, have you looked for images of the church records on Scotlandspeople site?
*Isabella Baillie b.7/12/1810 NORTH LEITH, MIDLOTHIAN, SCOTLAND
parents Samuel Baillie and Isabella Lawson.
*7/2/1831, Isabella m. William Campbell in Saint Cuthberts, Edinburgh, Midlothian, Scotland. Father of bride - Samuel Baillie
*12/7/1831 Isabella b.in Saint Cuthberts, Edinburgh, Midlothian, Scotland
to William and Isabella Campbell.
*......... her father as Samuel Bailey and her mother Isabella Lawson. (a marriage record)