In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Bryngwran like this:
BRYNGWRAN, a hamlet and a subdistrict in the district and county of Anglesey. The hamlet stands 3¾ mile N by W of Valley r. station, and 8 ESE of Holyhead; and has a post office‡ under Holyhead, and fairs on Easter Monday, Holy Thursday, 11 Oct., and 24 Nov. The subdistrict lies around the hamlet; and contains three parishes, nine parochial chapelries, an extra-parochial tract, and a ville. Acres, 25,033. Pop., 5,746. Houses, 1,280.
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 Bryngwran has changed, please see our redistricted information for the modern district of the Isle of Anglesey. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Bryngwran and units named after it.
GB Historical GIS / University of Portsmouth, History of Bryngwran in The the Isle of Anglesey | Map and description, A Vision of Britain through Time.
Date accessed: 30th March 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 "Bryngwran".