Could this be James jnr in the 1881 Census?
1881 Census- 66 Dumfrochar Rd, West Greenock, Renfrew, Scotland
James BRYSON, married, 26, Ireland, Sugarhouse Lab
wife Ellen BRYSON, married, 25, Linlithgow, Linlithgow, Scotland
dau. Ellen BRYSON, 6, Greenock, Renfrew, Scotland
son James BRYSON, 4, Greenock, Renfrew, Scotland
son William BRYSON, 1, Greenock, Renfrew, Scotland
The name of the street is Drumfrochar Road (with an r) which is in the Broomhill district
There is another family of Irish Bryson living in the same Tenement, could be related.
1881 Census- 66 Dumfrochar Rd, West Greenock, Renfrew, Scotland
Thomas BRYSON, married, 41, Ireland, Sea Captain (Unemployed)
wife Margaret BRYSON, married, 36, Ireland
dau. Rose Ann BRYSON, 15, West Kilbride, Ayr, Scotland, Dressmaker
dau. Margaret BRYSON, 12, West Kilbride, Ayr, Scotland, Scholar
son Thomas H. BRYSON, 10, West Kilbride, Ayr, Scotland, Scholar
son George A. BRYSON, 8, West Kilbride, Ayr, Scotland, Scholar
Happy Hunting
Eddie