Census of Scotland, 1921
Civil Parish of Penicuik
Parliamentary Constituency of South Midlothian and Peebles
| No. of Schedule | Road, Street, &c. and No. or Name of House | Name and Surname of each Person | Relationship to Head of Household | Age | Sex | Marriage / Orphanhood | Birthplace | Personal Occupation | Employment | |
| Years | Months | |||||||||
| 49 | Cockburn Cottage | Ralph T. Durie | Head | 38 | 1 | M | M | Midlothian Penicuik | Shoemaker Instr. | Willington Reformatory School |
| Agnes Durie | Wife | 36 | 6 | F | M | Linlithgow Boness | H.D. | |||
| Ralph Durie | Son | 14 | 4 | M | BA | Midlothian Edinburgh | Scholar | |||
| Agnes Durie | Daughter | 13 | 1 | F | BA | Midlothian Penicuik | Scholar | |||