David Mair was the son of Alexander Mair and Jessie Ann Findlay. His family was known by the tee-name of "Bobbin". He was the informant for, and present at, Alexander Mair's death at 30 Seafield Street, Portknockie, Banffshire, Scotland, on 12 September 1930.1,2
- [S2526] Alexander Mair, Register of Deaths in the District of Seafield in the County of Banff, "Alexander Mair, Fisherman, married to 1st Jessie Findlay, 2nd Mary Buchan, died 1930, September Twelfth 2h 0m A.M. at 30 Seafield Street, Portknockie, Male, 55 years, Father: David Mair Fisherman, Mother: Ann Mair M.S. Wood, Cause of death: Carcinoma of Liver & Transverse Colon, as cert. by Alexr. T. Paterson M.B. Ch.B. Buckie, Informant: David Mair, Son (Present), Registered: 1930, September 12th at Manse of Seafield, John Taulds Registrar."
- [S772] Robert Mair, Neil Pirie, Information kindly supplied by Robert Mair of Durham, England.