Davidson and Cormack
Some extra information. You will need to prove a connection with this family, but it looks like they are connected to yours.
Peterhead Old Kirkyard Lair E155 & E156
E155 -Alexander Davidson – Quarrier
20/08/1841, Margaret Bruce, age 5, Fish Lane
14/03/1843, William Clark, age 2 ½, Union Street
30/05/1851, James Clark, age 11, Union Street
25/01/1870, George Clark, age 73, Union Street
8/11/1873, William Davidson, age 83, Buchanhaven
8/07/1911, Ellis C Reid, age 68, Queen Street
4/01/1918, Ellis, Davidson, age 57, Glenugie, Longside
E156 – Alexander Davidson – Quarrier
1/06/1854, Margaret Alexander, age 68, Windmill Street
10/01/1878, Alfred Davidson, age 9 months, Auchlenchries
14/11/1895, George W. Davidson, age 5, Auchlenchries
27/05/1914, Isabella C. Davidson, age 81, Queen Street
28/05/1921, George Davidson, age 96, Glenugie, Longside
Peterhead Deaths 1873
No.185, William Davidson, Quarrier, Widow of Margaret Alexander, died 1873 November Seventh 11h 25m AM at Buchanhaven, male, age 85 years, parents: Alexander Davidson, Carter (dead) and Margaret Davidson ms Cormack (dead), cause: a) Heart Disease b) Anasarca, informant: Alexander Davidson, Nephew (Present), Neighbour.
No.181, David Davidson, Single, died 1873, October Twentyninth 7h AM at Buchanhaven, male, age 5 years, informant: Alexander Davidson, Farmer and Jane Davidson ms Baird, cause: Croup, informant: Alexander Davidson, Father, Present.
Peterhead Deaths 1868
No.157, Barbara Baird, Widow of Alexander Baird, Farmer, died 31/10/1868 Noon at Buchanhaven, female, age 76 years, parents: Alexander Davidson, Crofter (dead) and Margaret Davidson ms Cormack (dead), cause: Carbuncle, six weeks, informant: Alexander Baird, present, occupier.
Peterhead 1871 Census
District 22, page 23, Ware Road, No.116
William Davidson, Head, Widr, age 81, Ag. Labourer, born Peterhead
Alexander Davidson, Head, Mar. age 45, Farmer of 50 Arable Acres employing 2 men and boy, born Peterhead
Jane Davidson, Wife, Mar, age 39, born Peterhead
Alexander Davidson, Son, unmar, age 18, Farmer’s Son, born Peterhead
Barbara Davidson, Daughter, unmar, age 14, born Peterhead
George Davidson, Son, age 12, Scholar, born Peterhead
Margaret Davidson, Daughter, age 8, Scholar, born Peterhead
Jane Davidson, Daughter, age 4, born Peterhead
David Davidson, Son, age 2, born Peterhead
David Davidson, Brother, unmar, age 24, Farm Servant, born Peterhead
Jane Davidson, Sister, unmar, age 23, Domestic Servant, born Peterhead
It looks like your George Davidson b.1797 married to Margaret Smart, parents are Alexander Davidson and Margaret Cormack, with brother William Davidson b.1788 and sister Barbara Baird ms Davidson b1792.
I also have photos of the headstone for Lair E154, which I’ll scan send separately.