| | Name | Blazon | Comments | Source |
| | 1. Ingersoll, Richard (of Salem, MA, 1629)
2. Ingersoll, John (of Salem, MA, 1629) | Gules a fess dancetty Ermine between six trefoils slipped Or | Embroidery by Ann Ingersoll Westfield, Massachusetts, 1758. | Crozier 1 |
| Ingersoll, Jared (b. New Haven, 1749; d. Philadelphia, 1822) | Or two pallets Gules. | Arms on bookplate; member of Continental Congress, Pennsylvania attorney general. | Bolton |
| | Inglis, John (of Philadelphia, 1736) | Azure a lion rampant on a chief Argent three mullets Azure | Arms on bookplate | Crozier 1, Bolton |
| | Inglis, Rev. Charles (of New York, c. 1780s) | Azure a lion rampant on a chief Or three mullets Gules. | Memorial tablet to his wife, who d. 1783, St. Paul's Chapel, New York City. | Bolton |
| | Inglis, Mungo (in Williamsburg, Va., 1700) | Gules on a bend between two [unidentified charges] three eagles displayed. | Wax seal on deed dated 1700. | Bolton |
| | Ingraham, Solomon (of Norwich, Conn., d. Calcutta, 1805) | Ermine on a fess Gules three escallops Or. | Bookplate. | Bolton |
| | Irving, William (of Massachusetts, 1763) | Argent, three small sheaves of holly, 2 and 1, each consisting of as many leaves slipped Vert, banded Gules | Arms on bookplate. | Crozier 1, Bolton |
| 1. Irwin, William (in Dutchess Co, NY, 1700) | Argent a mural crown Gules between three holly leaves palewise Vert. | | Crozier 1 |
| Iselin, Isaac (of New York by 1801) | Gules three roses Argent barbed and seeded proper. | 1783-1841; from Basel, Switzerland | NEHGS #496 |
| | Isham, John (of Barnstable, MA, 1670) | Gules, a fess wavy, in chief three piles wavy points meeting in fess Argent | | Crozier 1, Matthews |
| | Isham, Henry (of Henrico County, VA, 1656) | Gules, three piles wavy Or, overall a fess Or | | Crozier 2 |
| 1. Ives, Robert Hale (living before 1800)
2. Ives, Benjamin (Beverley, MA) | Argent a chevron between three Moors' heads couped Sable. | 1. Embroidery worked by Rebecca Ives Gilman (1746-1823)
2. Bookplate | 1. Bolton
2. Bolton, Matthews
|
| Izard, Ralph (of Charleston, SC, 1682) | Argent six leopards’ faces Vert. | Bookplate. | Crozier 1, Bolton |
| | Izard, Ralph (of South Carolina, d. 1804) | Quarterly 1st and 4th Sable on a bend Or an annulet Sable; 2nd and 3rd Argent six leopards' faces Vert (for Izard). | U.S. Senator. Arms on hatchment, St. James Episcopal Church, Goose Creek, SC. | Bolton |
| | Izzard, Ralph (1779) | Five leopards' faces. | Seal on document dated 1779. | Bolton |
