hi my name is kerry my husband has thomas henry blackman as his gr gr grandfather he was born in cooyal in nsw in 1843 apparently he is a half caste aboriginal married to anne mcmahon. I was always lead to believe that thomas's father was thomas as well and he was an englishman that came to australia and married an aboriginal woman named mary ann but can not find any information about his father or mother.They are both buried at binnaway in nsw australia.If any body could help with information about thomas and his mother and father it would be greatly appreciated.