Elizabeth was the 2nd daughter of William Burn 1870-1931 and Agnes White Vallance 1874-1953, I found her and her sister Jane Marion Scott Burn born 1900, on the 1921 Census living at Forrest Hill, Edinburgh George Square as out of work rubber shoe makers. After that I can't find Elizabeth but Jane seems to have died in 1964 Edinburgh St Andrew?
Her brother William born 23 Sep 1898 married Helen MacKay Murray 8 Sep 1922 in Edinburgh, she died 9 Jun 1954 in Edinburgh Haymarket but I can't find his death?
The other sister Sarah born 1894 married John MacLean 15 Feb 1916 in Edinburgh, she died 4 May 1977 in Inverness as did John 19 Dec 1969.
I've searched the Scottish People website for these but to no avail.
Cr