It was thought that my maternal grandmother was Rosa Rota, after investigation by a research company it became known that her name was maria Rosa Rado'. She came into Ellis Island from southern Italy but her surname is very rare and maybe only seen in one part of Italy six miles from where she supposedly lived. San Pietro Magisano to be exact but no records of birth or marriage certificate was found there. So, I am interested in the surname Rado'. I am told that it is a Jewish surname in Argentina. Could her family possibly be exiles from Spain and the inquisition who traveled to Argentina from Europe? Jewish results are present in my dna reports and the same for my siblings. Does anyone know anything about this surname?