Hi
The first census that I can find Robert in is the 1891
1891 census
Robert Dorman, head, age 28, chemical labourer born Constantinople British Subject
Elizabeth, wife, age 27 born Hornsey Fortis Green
Elizabeth, dau, age 7 born Essex Custom House
William, son, age 5 born Wilts Devizes
Herbert, son, age 3 born Essex Stratford
RG12 1311
folio 34 page 61
Stratford, West Ham, Essex
and here he is the 1901
Robert Dorman, head, age 38, ?? labourer (first word not clear) born Constantinople
Elizabeth, wife, age 36 born Finchley
Elizabeth, dau, age 18, domestic servant born Essex Stratford
William, son, age 15, stable boy born Wilts Devizes
Herbert, son, age 13, errand boy born Essex Stratford
Sarah, dau, age 9 born Essex Stratford
Charles, son, age 5 born ?? Southgate
RG13 1236
folio 87 page 51
Friern Barnet, Middlesex
I will have a look and see whether I can find him earlier that 1891.
Nicky