hi don,
think you could be mistaken in your family hunt..i'll explain
the 1891 census is for the cuthbertson family, edgar is the middle name...
your john edgar clarke cuthbertson was born 3/4/1868 in dublin ireland, he was the son of john edgar cuthbertson and ann jane williamson.
1881 census- 8 emily street, glasgow
john e...age 45...chelsea pensioner...born girvan
ann...age 33...born lerwick
john e c...age 13...born ireland
1891 census- 21 lawn street, paisley
john e...age 23...railway wagon inspector
agnes...age 24...shopkeeper...born ayr
annie...age 5
jane...age 1
1901 census- 19 caledonia street, gorbals
john...age 37...railway carriage inspector
agnes...age 34
annie...age 18...florist assistant
jane...age 11
peter...age 9
john...age 5
thomas...age 3
robert...age 3 months
Joe