In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Is Coed like this:
ISCOED, or ISCOYD, a township in Malpas parish, Flint; adjacent to Cheshire and Salop, 3 miles W of Whitchurch. Acres, 2, 607. Real property, £4, 014. Pop., 435. Houses, 89. Iscoed Hall is a chief residence. Coal is worked; and brine springs are at Broadoak and Wich Brook. Matthew Henry was born at Broadoak.
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 Is Coed has changed, please see our redistricted information for the modern district of Wrexham. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Is Coed and units named after it.
GB Historical GIS / University of Portsmouth, History of Is Coed, in Wrexham and Flintshire | Map and description, A Vision of Britain through Time.
Date accessed: 27th May 2015
Click here for more detailed advice on finding places within A Vision of Britain through Time, and maybe some references to other places called "Is Coed".