Hello Mick,
Found this on A*try. Could this be your Hugh in 1891?
David Miller 29 Dock Labourer b Bannockburn, Stirling.
Helen " 27 Wife b Towerwood, "
Hugh " 9 Son b St Ninians, "
John " 6 " b Glasgow, Lanark.
David " 4 " b Leith, Midlothian.
Elizabeth " 2 Dau. b " "
Living at 3 Anderson Place, Leith, Midlothian, Scotland.
Regards, Dod.