The Ishmaelites in the Book of Mormon are descendants of Ishmael, who traveled with Lehi’s family from Jerusalem to a promised land. Initially, they were part of a larger group, including Nephi, Laman, and Lemuel. Over time, divisions arose due to conflict between Nephi and his brothers, leading to the formation of the Nephites, who followed Nephi, and the Lamanites, who followed Laman, Lemuel, and Ishmael's descendants (Jacob 1:13; Alma 47:35).
As time progressed, the distinct identity of the Ishmaelites diminished. They, along with the Lemuelites, became part of the broader Lamanite identity, which opposed the Nephites. This transition is noted in various mentions where these groups are collectively referred to as Lamanites (4 Ne. 1:38; Morm. 1:8-9).
The scriptural narrative indicates that the Ishmaelites, along with the Lamanites and Lemuelites, consistently rejected the gospel of Christ. They chose a path of rebellion, teaching future generations disbelief, perpetuating a cycle of apostasy (4 Ne. 1:38). Despite their resistance, doctrinal revelations assure that Ishmaelites, along with other Lamanites, are promised future gospel blessings and restoration through the knowledge imparted by the Book of Mormon. This promise underscores a hopeful return to faith (Doctrine and Covenants 3:16-20).