In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Fulfen like this:
FULFEN, an extra-parochial tract in Lichfield district, Stafford; near Lichfield. Pop., 10. House, 1.
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 Fulfen has changed, please see our redistricted information for the modern district of Lichfield. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Fulfen and units named after it.
GB Historical GIS / University of Portsmouth, History of Fulfen, in Lichfield and Staffordshire | Map and description, A Vision of Britain through Time.
Date accessed: 02nd July 2016
Click here for more detailed advice on finding places within A Vision of Britain through Time, and maybe some references to other places called "Fulfen".