| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Isalaco Manuela | Elizabeth | Ship | 1855 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Elizabeth | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Ischabod Handy | Belle | Bark | 1853 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Belle | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Master | | | |
|
| Isek Carr | Elizabeth | Bark | 1861 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Elizabeth | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Iserael Greene | America | Bark | 1848 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | America | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | DESERTED AT HONG KONG 3/27/1850 | | |
|
| Isewrist Day | Isaac Hicks | Ship | 1851 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Isaac Hicks | Ship | 22 | 5' 3" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | New London | | | | |
|
| Isham Spaulding | Condor | Ship | 1850 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Condor | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Carpenter | | | |
|
| Ishmael Guyer | Congress II | Ship | 1855 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Congress II | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| Ishmael Guyer | Congress II | Ship | 1855 | 31 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Congress II | Ship | 31 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Scranton, Pa | | | | |
|
| Ishmael Guyer | Mercury | Ship | 1842 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mercury | Ship | 22 | 5' 5" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New York City | | | | |
|
| Ishmael Tripp | Dragon | Bark | 1822 | 24 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Dragon | Bark | 24 | 5' 9 1/2" | light | | | Hair | Eye | Residence | Rank | Remarks | | brown | | Dartmouth | | deserted before sailing | | |
|
| Isiah B Collens | Friends | Ship | 1839 | 41 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Friends | Ship | 41 | 5' 9" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Mystic | | | | |
|
| Isiah B. Tibble | Adeline Gibbs | Ship | 1841 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Adeline Gibbs | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | ON AT LAHAINA 05/11/1843 DISCHARGED AT MAUI SANDWICH ISLANDS 11/15/1844 | | |
|
| Isiah C. Sherman | Ann Alexander | Ship | 1832 | 23 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Ann Alexander | Ship | 23 | | Black | | | Hair | Eye | Residence | Rank | Remarks | | Wooly | | Boston | | | | |
|
| Isiah Chester | Ann Maria | Ship | 1835 | 38 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Ann Maria | Ship | 38 | 5' 11" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | New London | Master | | | |
|
| Isiah H. Young | Lancaster | Ship | 1842 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Lancaster | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Steward | | | |
|