| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Isaac N. Bradley | Union | Schr | 1866 | 23 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Union | Schr | 23 | 5' 8" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | New Bedford | | | | |
|
| Isaac N. Carlton | Jireh Perry | Ship | 1868 | 25 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Jireh Perry | Ship | 25 | 5' 9" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Black | | Lowell | | | | |
|
| Isaac N. Copeland | D. M. Hall | bark | 1852 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | D. M. Hall | bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | green hand | | | |
|
| Isaac N. Hathaway | Solomon Saltus | bark | 1848 | 29 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Solomon Saltus | bark | 29 | 5' 9 1/2" | light | | | Hair | Eye | Residence | Rank | Remarks | | brown | | Freetown, MA | | | | |
|
| Isaac N. Hathaway | Martha II | Bark | 1854 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Martha II | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Isaac N. Hathaway | Jane | bark | 1841 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Jane | bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Isaac N. Hathaway | Jane | bark | 1843 | 20 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Jane | bark | 20 | 5' 9" | light | | | Hair | Eye | Residence | Rank | Remarks | | brown | | Freetown, MA | 1st mate | | | |
|
| Isaac N. Headly | Governor Troup | Ship | 1859 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Governor Troup | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Isaac N. Hendlay | Sarah | Ship | 1855 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Sarah | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Cook | | | |
|
| Isaac N. Hendley | Sarah | Ship | 1855 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Sarah | Ship | 22 | | Black | | | Hair | Eye | Residence | Rank | Remarks | | Wooly | | Plainfield, Ct | | | | |
|
| Isaac N. Hersey | Balaena | Ship | 1858 | 17 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Balaena | Ship | 17 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | South Abington | | | | |
|
| Isaac N. Jenney | Alfred Gibbs | Ship | 1851 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Alfred Gibbs | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Master | | | |
|
| Isaac N. Mcutehan | Brandt | Ship | 1849 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Brandt | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Isaac N. Rogers | Adeline Gibbs | Ship | 1853 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Adeline Gibbs | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 3rd Mate | | | |
|
| Isaac N. Rogers | John Wells | Bark | 1857 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | John Wells | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 2nd Mate | | | |
|
