Hi Anthony, I dont think I have much more on Thomas but I hope this helps in some unrelated way. Good luck!
Mary Birdsill born Westminster London England. Her first spouse was Jno Edwards: Mary Birdsill Age: 22 Birth Year: Abt 1818 Spouse: Jno Edwards Request Status: Granted Date of Permission/Refusal: 14 Feb 1840
Mary Birdsill Vessel: Henry Wellesley Convicted Date: 15 Jun 1835 Voyage Date: 23 Sep 1835 Colony: New South Wales Place of Conviction: Old Bailey, London, EnglandImmigration: 07 FEB 1836 Mary was given a 7 year sentence and transported to Australia on the ‘Henry Willesby’. She sailed from Portsmouth on the 7.10.1835 and arrived in Sydney on the 7.2.1836. Mary Harriet Birdsill was 18 years of age./Sydney Cove, Port Jackson, New South Wales, Australia
Name: Thomas Smith Age: 32 Birth Year: Abt 1810 Spouse: Mary Birdsill Request Status: Granted Date of Permission/Refusal: 25 Oct 1842
Arrived "Bengal Merchant" Sentence 14 years
Thomas Smith received his Certificate of Freedom on 22 Feb 1850. No 50/92
Certificate states Prisoner Number 35/537:Ship Bengal Merchant:native place Midlothian:trade Soldier/Brokers Clerk: place of trial KENT ASSIZES: date of trial 21 July 1834: Sentance 14 years : Year birth 1810: Complexion Ruddy/Speckled: Hair Brown: Eyes Blue : general Remarks Small scar inside forefinger of right hand - held a Ticket of Leave No 42/841 dated 12 Mar 1841
Children with Mary Birdsill were Charlotte G b 1838, Helen b 1840, Thomas b 1842, Eliza b 1844, William b 1846, Marion b 1848, Sarah b 1851, Mary b 1853, Isabella b 1855, and Kenneth b 1857.