Ed,
Read your wondering about dual names with regards to the Jewish persons and their possibility of dual names. I have to say to those who were brave enough to practiced openly may not have, but those who were the converso basically had two lives and with that two or more names. Depending on their social status and the jobs closest to the crown made the true identity all the more important to hide.
This was not just indigenous to the 1492 expulsion from Spain but has gone back to as far as Gothic period. Names befit the ruling faction that was the "conqueror" of the period. So long before the new world, names fit both survival and religion.
Moor/ Jew conversos were a big part of the conquistadors but their families may have converted up to a hundred years before.
Mari
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