The 1841 population was 2,142
Frindsbury fell within the Hundred of Shamwell. Its 19th century Registration District & Poor Law Union was North Aylesford 1835-84, Strood 1884-94, Medway 1894-1930.
Probate Jurisdiction was Rochester.
Frindsbury included the hamlet of Upnor.
See NWKFHS publications West Kent Sources and School Records for further information.