In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Melindwr like this:
MELIN-DWR., a township in Llanbadarn-fawr parish, Cardigan; on the river Rheidol, near Aberystwith. Acres, 6,677. Real property, £2,799; of which £.1.029 are in mines. Polp. in 1851,1,151; in 1861,1,311. Houses, 234.
A Vision of Britain through Time includes a large library of local statistics for administrative units. For the best overall sense of how the area containing Melindwr has changed, please see our redistricted information for the modern district of Ceredigion. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Melindwr and units named after it.
GB Historical GIS / University of Portsmouth, History of Melindwr, in Ceredigion and Cardiganshire | Map and description, A Vision of Britain through Time.
Date accessed: 01st August 2014
Click here for more detailed advice on finding places within A Vision of Britain through Time, and maybe some references to other places called "Melindwr".