Port Pontchartrain (Louisiana)
Historical Light List Characteristics
| 1839 | FFl W 90s. Lighthouse characteristic is assumed. | USLHE Light List (US): 199 |
| 1849 | FFl W 90s. F14, Fl14. Lighthouse characteristic is assumed. | USLHE Light List (US): 223 |
| 1858 | FFl W 90s. F10, Fl10. | LHB Light List (US): 338 |
| 1860 | LHB Light List (US): 323 | |
| 1865 | LHB Light List (All Coasts): 329 | |
| 1866 | LHB Light List (All Coasts): 333 | |
| 1868 | LHB Light List (All Coasts): 335 | |
| 1870 | FFl W 90s. F11, Fl11. | LHB Light List (All Coasts): 332 |
| 1878 | LHB Light List (All Coasts): 422 | |
| 1879 | LHB Light List (All Coasts): 436 | |
| 1886 | FFl W 90s. F113/4, Fl113/4. | LHB Light List (All Coasts): 560 |
| 1888 | LHB Light List (All Coasts): 594 | |
| 1893 | LHB Light List (Atlantic): 800 | |
| 1898 | LHB Light List (Atlantic): 958 | |
| 1899 | LHB Light List (Atlantic): 973 | |
| 1905 | F WR. W113/4, R113/4. Red sector between SSE. 1/2 E. and S. 1/2 W. | LHB Light List (Atlantic): 1185 |
| 1908 | F WR. W113/4, R113/4. R1521/4°-1853/4°(331/2°), W1853/4°-1521/4°(3261/2°). | LHB Light List (Atlantic): 1304 |
| 1915 | F W. W11. | USLHS Light List (Atlantic): 1825 |
| 1917 | USLHS Light List (Atlantic): 1959 | |
| 1920 | F W. W11. Obscured 309°-039°(90°). | USLHS Light List (Atlantic): 2045 |
| 1927 | USLHS Light List (Atlantic): 2270 |
Historical Light List Optics and Structures
| 1839 | 10 Lamps | N/A | N/A | N/A | USLHE Light List (US): 199 |
| 1849 | 10 Lamps / 14" Refl. | 28 | 30 | USLHE Light List (US): 223 | |
| 1858 | 5th | 29 | 35 | LHB Light List (US): 338 | |
| 1860 | LHB Light List (US): 323 | ||||
| 1865 | LHB Light List (All Coasts): 329 | ||||
| 1866 | LHB Light List (All Coasts): 333 | ||||
| 1868 | LHB Light List (All Coasts): 335 | ||||
| 1870 | A brick tower. Keeper's dwelling detached. | LHB Light List (All Coasts): 332 | |||
| 1878 | LHB Light List (All Coasts): 422 | ||||
| 1879 | LHB Light List (All Coasts): 436 | ||||
| 1886 | 36 | 42 | Tower, white; lantern, black; dwelling, detached. | LHB Light List (All Coasts): 560 | |
| 1888 | LHB Light List (All Coasts): 594 | ||||
| 1893 | 47 | LHB Light List (Atlantic): 800 | |||
| 1898 | Conical white tower; lantern, black; white dwelling, detached. | LHB Light List (Atlantic): 958 | |||
| 1899 | LHB Light List (Atlantic): 973 | ||||
| 1905 | White, conical tower; lantern, black; white dwelling, detached. | LHB Light List (Atlantic): 1185 | |||
| 1908 | White, conical tower; black lantern; white dwelling, detached. | LHB Light List (Atlantic): 1304 | |||
| 1915 | N/A | 41 | 45 | White; conical tower. | USLHS Light List (Atlantic): 1825 |
| 1917 | USLHS Light List (Atlantic): 1959 | ||||
| 1920 | USLHS Light List (Atlantic): 2045 | ||||
| 1927 | White; conical tower alongside dwelling. | USLHS Light List (Atlantic): 2270 |
 |
1832 - 1929 (Location for 1857 light. Assumed the 1832 and 1839 lights were near this location.) |