Thomas married a Jane ? I believe in Antrim, Belfast, sometime before 1821 I suspect. First child Jane born 1821 in this area I believe. Second child John born 1832 same area. Third child born James born 1838 this area also.Sometime around or before 1851(Census) they migrated to Cumberland, England. Thomas and Jane died there in 1875 & 1876 respectively. I do not know about Jane Jnr or James, may have married an Ann and may have died in 1885. John, my 4th great grandfather migrated to Melbourne, Victoria, Australia sometime between 1851 and 1855. He married Louisa Walker from Middlesex, England probably in Melbourne. There first child was born in 1855. I am trying to locate some info on Jane and when they traveled to England, and John traveling to Aust. Would love to make contact with Williamson's from Cumberland or Ireland or elsewhere connected to these relatives of mine.