The 1841 population was 1,245
Leigh fell within the Hundred of Somerden. Its 19th century Registration District & Poor Law Union was Bromley.
Probate Jurisdiction was Sevenoaks.
Probate Jurisdiction was Rochester to 1845, PCC 1846-57.
The ancient parish included a detached portion, this was transferred to Hildenborough at its creation in 1844.
See NWKFHS publications West Kent Sources and School Records for further information.