
| 1783 Sept. 6 |
Born Point Coupee Parish, youngest of 8 children of Pierre Charles St. James Beauvais and Marie Françoise Richer. |
| 1806 | Buys a plantation (11 arpents on the Mississippi) from his mother. |
| 1810 | Governor William C. C. Claiborne names Beauvais Justice of Peace of Pointe Coupee Parish. |
| 1811 | Marries Louise Delphine Labatut of New Orleans. There are no children from this marriage. |
| 1814 | Elected to the Louisiana House to which he is returned in 1816 and 1820. |
| 1821-1823 | Speaker of the Louisiana State House of Representatives |
| 1822 | Elected to the Louisiana State Senate. |
| 1827-1830 | Serves as the President of the Senate. |
| 1829 October 6 |
Assumes governors seat on the death of P A C Bourguignon Derbigny until January 14, 1830. |
| 1829 |
When the legislature is out of session, the seat of government moves to Donaldsonville. |
| 1830 | Loses re-election as President of the Senate to Jacques Dupre, but remains in the Senate. |
| 1830 July |
Loses race for governor to Andre Bienvenu Roman. |
| 1833 January |
Chenevert resigns from State Senate, Beauvais returns and serves until 1834. |
| 1837 | Adversely affected by the national depression. |
| 1839 | All of Beauvais property in Pointe Coupee and West Felicianas parishes is sold at public auction. |
| 1840 | Moves to New Orleans. |
| 1843 November 18 |
Dies at age 60. |