Can I assume this is St Just In Penwith and not St Just In Roseland?
Baptisms from the IGI batch for St Just in Penwith P020311
parents Giles & Ann
Ann 12/10/1800
William 28/9/1814
Jane 23/4/1819
Mary 17/2/1811
parents Jesse & Ann
Jesse 14/10/1805
Eliza 3/8/1816
parents Jesse & Elizabeth
Thomas 23/8/1807
marriage from batch M020311
Giles Trembath married Ann Trembath 24/5/1800
Her surname appears as Airs only in submitted entries on the IGI.
No marriage for a Jesse to Ann or Elizabeth in this batch.
Possible baptism? Ann Trembath bp 9/9/1781 to William & Ann batch P020311
Burial of Giles Trembath aged 53 in December 1829
1841 census HO107/144/8 folio 42 pg 25
Trewellard, St Just in Penwith
Ann Trembath 60 government annuity 60
Jane 20 work at a tin stamping mill
both born in county
The government annuity is good as there will be records somewhere. Most lighthouses were controlled by Trinity House. Their records are at the Guildhall Library in London
http://www.history.ac.uk/gh/thouse.htmhe might have worked at one of these
http://www.pznow.co.uk/maritime/lighthouse.htmlYou can get copies of the parish records from the archives in Truro. They might make things clearer
http://www.cornwall.gov.uk/index.cfm?articleid=38210