| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Isaac Anthony | America | Ship | 1843 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | America | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| Isaac Antonio | Frances Henrietta | Ship | 1845 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Frances Henrietta | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Boatsteerer | | | |
|
| Isaac Applewhit | Midas | Ship | 1857 | 23 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Midas | Ship | 23 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Cincinnati | | | | |
|
| Isaac Armstrong | Catherwood | Brig | 1845 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Catherwood | Brig | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Oarsman | | | |
|
| Isaac Atkinson | Equator | Bark | 1905 | 25 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Equator | Bark | 25 | 5' 6" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Cambridge Mass. | | | | |
|
| Isaac Austin | Milo | Ship | 1843 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Milo | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Cooper | | | |
|
| Isaac Avery | Phoenix | Ship | 1853 | 19 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Phoenix | Ship | 19 | 5' 6" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Waterford | | | | |
|
| Isaac Avery | Tenedos | Bark | 1856 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Tenedos | Bark | 22 | 5' 9" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Waterford | | | | |
|
| Isaac B. Briggs | Kathleen | Bark | 1900 | 26 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Kathleen | Bark | 26 | 5' 6" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Fairhaven | | | | |
|
| Isaac B. Campbell | Falcon | Bark | 1859 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Falcon | Bark | 22 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Freemansburg, Ny | | | | |
|
| Isaac B. Chapin | Thomas Pope | Bark | 1859 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Thomas Pope | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Isaac B. Chase | Richmond | Ship | 1819 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Richmond | Ship | 21 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | | | Somerset | | | | |
|
| Isaac B. Chubbuck | Charles | Ship | 1841 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Charles | Ship | 21 | 5' 3 1/2" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Nantucket | | | | |
|
| Isaac B. Corntney | Margaret Scott | Ship | 1847 | 19 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Margaret Scott | Ship | 19 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | New York | | | | |
|
| Isaac B. Cummings | Ohio | Bark | 1850 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Ohio | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
