John Nixon - mining engineer - died in 1899.
James Newman - mining engineer - died in 1973.
John B. Nixon died in 2005.
John Nixon - military - died in 1815.
John Nixon - financier - died in 1808.
John Waddell - engineer - died in 1888.
John Holland - engineer - died in 2009.
John Coghlan - engineer - died in 1890.
John Penn - engineer - died in 1878.
John Carruthers - engineer - died in 1914.
John Ramsbottom - engineer - died in 1897.
John Bradfield - engineer - died in 1943.
John Miller - engineer - died in 1883.