hi pal,
following up on hume's 1881 census find i just wonder if this is your family?
margaret wilkinson born 4/7/1857 haddington daughter of william and elizabeth dorrance.
1851 census- roschall, haddington
william...age 34...labourer
elizabeth...age 31
william...age 8 months
1861 census- cottage at gas works, haddington
william...age 45...gas manager
elizabeth...age 41
william...age 10
john...age 8
david...age 6
margaret...age 4
1871 census- lauder place, prestonkirk
william...age 55...gas manager
elizabeth...age 51
william...age 20...coach painter
margaret...age 13
elizabeth...age 8
1871 census- 1 havannah, glasgow
john...age 17...tailor
1871 census- 3 sidegate street, haddington
david...age 15...joiner
1881 census- lauder place, prestonkirk
william...age 62...gas manager
elizabeth...age 60
david...age 25...joiner
elizabeth...age 18...domestic servant
jemima b...grand-daughter...age 3
william...grandson...age 11 months
1881 census- 25 upper grove place, edinburgh
william...age 30...coach painter
1881 census- 41 croft lane, dundee
john...age 28...tailor
isabella...age 26
janet...age 1
1891 census- 6 meadow park, haddington
william...age 73...gas stoker
william...age 39...coach painter
david...age 36...joiner
margaret a...age 34...domestic servant
jemima...age 13...grand-daughter
william...age 11...grandson
1901 census- waterside nungate, haddington
william...age 52...coach painter
margaret...sister...age 40...laundress
jemima...daughter...age 21...domestic servant
david...nephew...age 6
1901 census- 8 st john's hill, edinburgh
david...age 46...carpenter
if this family does turn out to be yours, you can get further info on the birth cert of david wilkinson as he was born 15/4/1855.
Joe