In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Llong like this:
LLONG, a hamlet in Leeswood township, Mold parish. Flint; on the Mold railway, 2¼ miles SE by E of Mold. It has a station on the railway.
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 Llong has changed, please see our redistricted information for the modern district of Flintshire. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Llong and units named after it.
GB Historical GIS / University of Portsmouth, History of Llong in Flintshire | Map and description, A Vision of Britain through Time.
Date accessed: 06th December 2013
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