Time Line 1803
- death of John Barry, captain of the first United States warship, the Lexington
- death of Bishop Thomas Hussey
- birth of Blessed Giovanni Antonio Farina
- birth of Blessed Jacques Laval
- birth of Blessed Pierre Bonhomme
- birth of Saint Joseph Marchand
- birth of Saint Peter Chanel
- birth of Venerable Anastasius Hartmann
- birth of Mother Margaret Hallahan
- declaration of Saint Mary Frances of the Five Wounds of Christ as Venerable
| 1802 | 1804 |
