Catholic:

North American Martyrs
Saint Rene Goupil, a lay brother martyred in 1642 in New York State,
Saint Isaac Jogues, a priest,
Saint John de Lalande, a lay brother, martyred in 1646 in New York State,
Saint Anthony Daniel, a priest, martyred in Canada in 1648,
Saint John de Brebeuf,
Saint Charles Garnier,
Saint Noel Chabanel and
Saint Gabriel Lalemant, all priests, and all martyred in Canada in 1649.

Frances Xavier Cabrini, Religious
Elizabeth Ann Seton, Religious
John Neumann, Bishop
Rose Philippine Duchesne, Religious
Katharine Drexel, Religious
Théodore Guérin, Religious
Damien de Veuster, Priest
Marianne Cope, Religious
Kateri Tekakwitha, Virgin
Junípero Serra, Priest

Teresa of Calcutta (canonized 2016) was declared an honorary citizen of the United States in 1996, one year before her death.

It is recorded of St. Louis Bertrand (canonized 1671) that “in the isle of St. Thomas, the saint gained a new people to Christ, and new triumphs to the Church”.

St. Pedro Calungsod (canonized 2012) was martyred on Guam in 1672.
Bl. Stanley Rother, Priest-Martyr
Bl. Francis Xavier Seelos, Priest
Bl. Miriam Teresa Demjanovich, Religious
Bl. Carlos Manuel Rodríguez Santiago
Bl. Diego Luis de San Vitores, Priest and Martyr
Bl. Mary Frances Schervier (beatified 1974) resided briefly in the United States in 1863, and again in 1868.
Bl. Eduardo Farré and Bl. Lucas Tristany (beatified along with 496 other martyrs of the Spanish Civil War, 2007) were naturalized as American citizens during their lifetimes, and served as parish priests in the Diocese of Tucson.

All Saints of America, known and unknown, pray to God for us!