Straitsmouth Island (Massachusetts)
Historical Light List Characteristics
| 1839 | F W. W15. | USLHE Light List (US): 48 |
| 1849 | F W. W13. | USLHE Light List (US): 51 |
| 1858 | F W. W11. | LHB Light List (US): 55 |
| 1860 | LHB Light List (US): 48 | |
| 1865-1866 | LHB Light List (All Coasts): 48 | |
| 1868 | ||
| 1870 | LHB Light List (All Coasts): 51 | |
| 1878-1879 | LHB Light List (All Coasts): 63 | |
| 1886 | ||
| 1888 | LHB Light List (All Coasts): 65 | |
| 1893 | LHB Light List (Atlantic): 73 | |
| 1898 | LHB Light List (Atlantic): 84 | |
| 1899 | LHB Light List (Atlantic): 86 | |
| 1905 | LHB Light List (Atlantic): 89 | |
| 1908 | LHB Light List (Atlantic): 92 | |
| 1915 | F W. W9. | USLHS Light List (Atlantic): 106 |
| 1917 | USLHS Light List (Atlantic): 113 | |
| 1920 | ||
| 1927 | USLHS Light List (Atlantic): 118 | |
| 1931 | F G. G9. | USLHS Light List (Atlantic): 120 |
| 1935 | USLHS Light List (Atlantic): 129 | |
| 1940 | F G. G12. | USCG Light List (Atlantic): 145 |
| 1943 | Fl G 6s. G9. fl 1. | USCG Light List (Atlantic): 194 |
| 1945-1947 | ||
| 1950-1952 | ||
| 1953-1955 | Fl G 6s. G8. fl 1. | USCG Light List - Vol. I-VI: 27 |
| 1957 | ||
| 1959-1960 | USCG Light List - Vol. I-V: 25 | |
| 1961 | USCG Light List - Vol. I: 25 | |
| 1963-1965 | ||
| 1966 | Fl G 6s. G12. fl 1. | USCG Light List - Vol. I: 26 |
| 1969-1972 | ||
| 1973 | Fl G 6s. G6. fl 1. | |
| 1974-1979 | Fl G 6s. G6. | |
| 1982 | ||
| 1987 | USCG Light List - Vol. I: 265 | |
| 1990-1992 | USCG Light List - Vol. I: 270 | |
| 1993-1996 | USCG Light List - Vol. I: 290 | |
| 2004 |
Historical Light List Optics and Structures
| 1839 | 6 Lamps / 14" Refl. | 18 | 35 | N/A | USLHE Light List (US): 48 |
| 1849 | 40 | USLHE Light List (US): 51 | |||
| 1858 | 6th | 24 | 33 | Octagonal tower. | LHB Light List (US): 55 |
| 1860 | LHB Light List (US): 48 | ||||
| 1865-1866 | LHB Light List (All Coasts): 48 | ||||
| 1868 | |||||
| 1870 | Octagonal tower. Black lantern. | LHB Light List (All Coasts): 51 | |||
| 1878-1879 | Octagonal tower, white; lantern, black; plank walk over the rocks to upland, towards a one-story white dwelling. | LHB Light List (All Coasts): 63 | |||
| 1886 | White octagonal tower; lantern, black. Plank walk over the rocks to upland, towards a white dwelling. | ||||
| 1888 | LHB Light List (All Coasts): 65 | ||||
| 1893 | 321/4 | 451/2 | LHB Light List (Atlantic): 73 | ||
| 1898 | White cylindrical tower; lantern, black. Plank walk over the rocks to upland toward a white dwelling. | LHB Light List (Atlantic): 84 | |||
| 1899 | LHB Light List (Atlantic): 86 | ||||
| 1905 | LHB Light List (Atlantic): 89 | ||||
| 1908 | White cylindrical tower; black lantern; plank walk over the rocks to upland toward a white dwelling; red-brick oilhouse 153 feet W'ly from tower. | LHB Light List (Atlantic): 92 | |||
| 1915 | N/A | 37 | 46 | White; cylindrical tower. | USLHS Light List (Atlantic): 106 |
| 1917 | White cylindrical tower. | USLHS Light List (Atlantic): 113 | |||
| 1920 | |||||
| 1927 | USLHS Light List (Atlantic): 118 | ||||
| 1931 | 5 iov | USLHS Light List (Atlantic): 120 | |||
| 1935 | 300 mm ei | USLHS Light List (Atlantic): 129 | |||
| 1940 | 300 mm e | N/A | USCG Light List (Atlantic): 145 | ||
| 1943 | USCG Light List (Atlantic): 194 | ||||
| 1945-1947 | |||||
| 1950-1952 | |||||
| 1953-1955 | N/A | USCG Light List - Vol. I-VI: 27 | |||
| 1957 | |||||
| 1959-1960 | USCG Light List - Vol. I-V: 25 | ||||
| 1961 | USCG Light List - Vol. I: 25 | ||||
| 1963-1965 | |||||
| 1966 | USCG Light List - Vol. I: 26 | ||||
| 1969-1979 | |||||
| 1982 | |||||
| 1987 | USCG Light List - Vol. I: 265 | ||||
| 1990-1992 | White cylindrical tower | USCG Light List - Vol. I: 270 | |||
| 1993-1996 | USCG Light List - Vol. I: 290 | ||||
| 2004 | White cylindrial tower. |
Historical Light List Audible Fog Signals
| 1858 | None | None | LHB Light List (US): 55 |
| 1860 | LHB Light List (US): 48 | ||
| 1865-1866 | LHB Light List (All Coasts): 48 | ||
| 1868 | |||
| 1870 | LHB Light List (All Coasts): 51 | ||
| 1878-1879 | LHB Light List (All Coasts): 63 | ||
| 1886 | |||
| 1888 | LHB Light List (All Coasts): 65 | ||
| 1893 | LHB Light List (Atlantic): 73 | ||
| 1898 | LHB Light List (Atlantic): 84 | ||
| 1899 | LHB Light List (Atlantic): 86 | ||
| 1905 | LHB Light List (Atlantic): 89 | ||
| 1908 | LHB Light List (Atlantic): 92 | ||
| 1915 | USLHS Light List (Atlantic): 106 | ||
| 1917 | USLHS Light List (Atlantic): 113 | ||
| 1920 | |||
| 1927 | USLHS Light List (Atlantic): 118 | ||
| 1931 | USLHS Light List (Atlantic): 120 | ||
| 1935 | USLHS Light List (Atlantic): 129 | ||
| 1940 | USCG Light List (Atlantic): 145 | ||
| 1943 | USCG Light List (Atlantic): 194 | ||
| 1945-1947 | |||
| 1950-1952 | |||
| 1953-1955 | USCG Light List - Vol. I-VI: 27 | ||
| 1957 | |||
| 1959-1960 | USCG Light List - Vol. I-V: 25 | ||
| 1961 | USCG Light List - Vol. I: 25 | ||
| 1963-1965 | |||
| 1966 | USCG Light List - Vol. I: 26 | ||
| 1969-1974 | |||
| 1975-1979 | HORN: 1 blast ev 15s (2sbl). | ||
| 1982 | HORN: 1 blast ev 15s (2s bl). | ||
| 1987 | HORN: 1 blast ev 15s (2s bl). | USCG Light List - Vol. I: 265 | |
| 1990-1992 | USCG Light List - Vol. I: 270 | ||
| 1993-1996 | USCG Light List - Vol. I: 290 | ||
| 2004 | HORN: 1 blast ev 15s (2s bl). |
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1835 - 1850 (Approximate location: light list coordinates are not very accurate.) |
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1851 - Present (Exact location of current 1896 lighthouse. Location of 1851 lighthouse assumed to be close.) |