In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Pwll Meyrick like this:
POOLMERICK, a village in Chepstow parish, Monmouth; on a brook of its own name, 1½ mile S W of Chepstow. It has a post-office under Chepstow. P. brookrises near Newchurch; and runs about 7 miles south-south-eastward to the Severn, 2 miles below the village.
Additional information about this locality is available for Matherne
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 Pwll Meyrick has changed, please see our redistricted information for the modern district of Monmouthshire. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Pwll Meyrick and units named after it.
GB Historical GIS / University of Portsmouth, History of Pwll Meyrick in Monmouthshire | Map and description, A Vision of Britain through Time.
Date accessed: 13th December 2013
Click here for more detailed advice on finding places within A Vision of Britain through Time, and maybe some references to other places called "Pwll Meyrick".