Complex sentence: Nowadays in the United States, the name is most often found in New Jersey, Pennsylvania, New York, Michigan, Florida and California, and in Brazil, the name is most often found in Rio de Janeiro and São Paulo.
Split into simpler sentences: Nowadays in the United States, the name is most often found in New Jersey, Pennsylvania, New York, Michigan, Florida and California. In Brazil, the name is most often found in Rio de Janeiro and São Paulo.