Joseph Vivian (c1793-1878) of Joseph Vivian and Co
c.1793 Joseph Vivian was born in Camborne
c.1801 Joseph Vivian, of Roskadennick, says: When he was a boy about nine years old, he used to go into Tyack's smith's shop at Camborne to see the steam-carriage Captain Trevithick was having made there. (presumably this means Joseph Vivian was born c.1792)
Recollected hearing, when a boy, his uncles Simon and John Vivian talk of having taken a contract to break up the boiler of a Newcomen Engine, known as the old Moorstone boiler at the Weith in Camborne, and cut out the copper pipes inside.
1841 Joseph Vivian, mine agent age c.45, lived in Camborne with his wife Nancy c.45, son William c.20, a mine agent, daughters Mary 20, Nancy 13, Elizabeth 8, son Joseph 6, daughters Emily 4 and Frances 1 
1856 Joseph Vivian, Manager of Mines, Reskadinnick, Camborne 
1861 Joseph Vivian, superintendent of mines, lived in Camborne with his daughter Anne (age 32), son Joseph (age 26) and daughter Fanny M (age 21)
1878 Death of Joseph Vivian (born c.1792) in Redruth district