Who was the first naturalized US saint?

Answer 1

Juan Diego, an Aztec, was canonized a saint a few years back as the first Native American saint. Saint Kateri Tekakwitha recently canonized for North America. In South America another Native American person is in the final stages of canonization - Blessed Ceferino Namuncura whose father was the chief of a local tribe.

Answer 2

The first Native American saint was St. Juan Diego, a Mexican Aztec. The second was St. Kateri Tekakwitha, a Mohawk/Algonquin Native American who was born in what today is the state of New York.
If you mean first saint born in America, the answer is Saint Rose of Lima.
If you mean the first saint born in the United States, that would be Elizabeth Ann Seton.

Answer 3

St. Rose of Lima was the first American-born (Peru) to be declared a saint.

St. Frances Cabrini was the first U.S. citizen to be canonized but she was born in Italy.

St. Elizabeth Ann Seton was the first U.S. born citizen to be canonized.

Answer 4

Saint Frances Xavier Cabrini was the first U.S. citizen canonized. She was originally from Italy.

Answer 5

The first American saint was St. Rose of Lima from Peru in South America.