| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Leonard Densman | Adeline Gibbs | Ship | 1845 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Adeline Gibbs | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | ON AT HAWAIIAN ISLAND 10/26/1846 | | |
|
| Leonard Dennings | Governor Hopkins | Brig | 1846 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Governor Hopkins | Brig | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Boatsteerer | | | |
|
| Leonard D. Reed | Amethyst | Ship | 1850 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Amethyst | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Leonard Crowell | Golconda | Ship | 1829 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Golconda | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | New Bedford | 2nd Mate | | | |
|
| Leonard Crowell | New Bedford | Ship | 1840 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | New Bedford | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Master | | | |
|
| Leonard Crowell | Minerva Smyth | Bark | 1824 | 17 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Minerva Smyth | Bark | 17 | 5' 6 1/4" | light | | | Hair | Eye | Residence | Rank | Remarks | | brown | | Fair Haven | | | | |
|
| Leonard Crowell | Golconda | Bark | 1827 | 20 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Golconda | Bark | 20 | 5' 6 1/4" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | New Bedford | | | | |
|
| Leonard Crowell | Garland | Ship | 1846 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Garland | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Master | | | |
|
| Leonard Courtney | Leonidas | Ship | 1831 | 29 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Leonidas | Ship | 29 | 5' 5" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Edgartown | | | | |
|
| Leonard Courtney | Wave | Bark | 1860 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Wave | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | Edgartown | Master | | | |
|
| Leonard Courtney | Heroine | Ship | 1833 | 31 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Heroine | Ship | 31 | 5' 5" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Edgartown | | | | |
|
| Leonard Comstock | Tuscarora | Ship | 1833 | 23 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Tuscarora | Ship | 23 | 5' 6" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Sandy | | Montville, CT | | | | |
|
| Leonard Comstock | Candace | Ship | 1838 | 26 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Candace | Ship | 26 | 5' 6" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | New London | | | | |
|
| Leonard Comstock | Jones | Ship | 1831 | 17 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Jones | Ship | 17 | 5' 9" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Montville | | | | |
|
| Leonard Comstock | Flora | Ship | 1832 | 23 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Flora | Ship | 23 | 5' 7" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Light | | New London | | | | |
|