Hi Lucille thats an unusual name Sloper for Dumfries I think it may be English, I could not find anything in the resources I have so I had a look around and on Ancestry trees there are 3 trees with them on it ( any tree on Ancestry use as a guide only and check for yourself as a lot of trees have wrong info on them and are blindly copied by folk it gets out of hand at times ) the trees have a David White married to a Margaret Sloper....... no info on her at all Davids Parents are John White and Barbara Murdock Stewart Davis White b 1751 Wigtown Wigtownshire death 1846 Shelburne Nova Scotia Canada son David white 5 Feb 1771 New York died 1872 Yarmouth Nova Scotia he married Mary Hurlburt 17 Jul 1808 Argyle Nova Scotia Canada children Margaret White 1810 – 1909 William White 1816 – 1916 Deborah White 1823 – Edward B. White 1831 – 1884 Isaac White 1837 – 1910 there is a lot more on the children marriages and children taking up to recent times Hope this helps Lesley In Tasmania