Howells, Rees, Gwyn Arms, Derymock
Hughes, David, draper, Ystradgynlais
Huzzey, William, Pontardawe Brewery, Pontardawe Cottage
James and Aubrey, colliery proprietors, Cumllyafell
James, James, canal agent, Ystradgynlais
James, James, grocer, Gurnos
James, John, agricultural implement manufacturer, Godre ’r Garth, Pontardawe
James, William, blacksmith, Pontardawe
Jeffreys, David, Mount Pleasant Inn, Penycae
Jenkins, Roger, tailor and hairdresser, Penycae