↑ 1.01.1 Cemetery Monument, Sorbie Old Churchyard.
The White Monument (identified as No. 22 on the Chapple/Birchman map of the cemetery) was erected by William White in memory of various members of his family, including "his mother Grace Dunbar who died in 1780 aged 64 years".
"Scotland, Births and Baptisms, 1564-1950," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/XY9Q-XJC ). In this christening record for her son, Andrew White, as well as those of her other children, she is listed as "Grisal/Grissal/Grizel Dunbar".