Hi Kim, Just came across your posting the other day and being a Coull myself and also having family conections in Gourdon, I felt that I might be able to help you with your search for Lily Coull.
Lilly Coull was born in Gourdon, Parish of Bervie on the date you gave, the 27th November 1892 and her Parents were James Coull ( Fisherman ) and Margaret Fairfoul.
The 1901 Census finds James Coull in the town of Crieff and lists his occupation as a fishmonger. The census also lists his wife Margaret and their family Mary Ann ( 14 ) an assistant in the shop, Isabella ( 12 ) Maggie ( 9 ) Lily ( 8 ) Robert ( 6 ) Jessie ( 4 ) Nelly ( 3 ) Jeannie ( 1 ) and James ( months ) There is also the mention of a servant, Mary Fairfoul, who I would imagine would probably be a sister of Margaret Fairfoul.
James Coull ( Fisherman ) 21 from Gourdon, Parish of Bervie. Parents - William Coull ( Fisherman ) and Ann Wyllie married Margaret Fairfoul ( Mill Worker ) 21 of King Street, Bervie. Parents - David Fairfoul ( Farm Servant ) and Isabella Officer, on the 10th July 1886. Witnesses at the wedding were George Coull and Ann Fairfoul.
William Coull married Ann Wyllie on the 21st October 1854 in the Parish of Kinneff and Catterline.
William Coull ( Fisherman ) Widower of Ann Wyllie. Parents - William Coull and Ann Pert of East End, Gourdon. Died on the 20th April 1920 aged 86. Cause of Death - Malignant Tumour of Colon. Informant - John Coull ( Son )
William Coull Christened 15th September 1833 in the Parish of Craig. ( Take the Parish of Craig to also mean Ferryden, Parish of Craig.) Parents - William Coull and Ann Pert.
William Coull married Ann Pert on the 20th November 1830 in the Parish of Craig.
William Coull ( Fisherman ) married to Ann Pert. Parents - John Coull ( Fisherman deceased ) and Janet Cargill. Died on the 5th April 1885 in Gourdon, Parish of Bervie. Cause of Death Unknown - No Medical Attendant.
William Coul Christened 3rd July 1806 in the Parish of Craig, Parents - John Coul and Janet Cargil.
Mary Coul Christened 6th May 1810 in the Parish of Craig, Parents - John Coul and Janet Cargil.
Campbell Coul Born 1st December 1812 in the Parish of Craig, Parents - John Coul and Janet Cargil.
Katherine Coul Christened 2nd March 1814 in the Parish of Craig, Parents - John Coul and Janet Cargil.
James Coul Born 26th October 1815 in the Parish of Craig, Parents - John Coul and Janet Cargil.
Margaret Coul Born 26th October 1817 in the Parish of Craig, Parents - John Coul and Janet Cargil.
Elizabeth Coul Born 26th January 1820 in the Parish of Craig, Parents - John Coul and Janet Cargil.
John Coul married Janet Cargil on the 23rd September 1804 in the Parish of Craig.
All the above information was taken from the records held at Register House in Edinburgh.
From the 1881 Census we find Lily's father James, living at Mowatt's Lane, Gourdon, along with his father William ( 49 ) Fisherman, his wife Ann ( 48 ) Born at Dunnottar, and their family, William ( 22 ) Fisherman, Jane ( 22 ), Alex. ( 18 ) Fisherman, James ( 16 ) Fisherman, George ( 11 ), Andrew ( 9 ), Annie ( 7 ) and John ( 4 )