The Notre Dame Four Horsemen refers to the legendary backfield of the 1920s, consisting of Harry Stuhldreher, Don Miller, Jim Crowley, and Elmer Layden. Among them, Elmer Layden wore the number 42. This group is celebrated for their significant contributions to College Football and their role in Notre Dame's early success.
George Gipp wore the number 66 while he played at Notre Dame.
Paul Hornung
Joe Montana wore #3 during his time at Note Dame. He attended Notre Dame from 1974 to 1978.
Tyler
Brady Quinn wore 10 at Notre Dame when he was quarterback there.
Tom gate wood
paul hornung
Julian
Jerome Bettis did not claim a major in college. He did attend college at Notre Dame but did not graduate. He took classes in history, philosophy, marketing and business.
The most famous was Tony Rice a Quarterback in 1988 for the national championship team.
Marc Edwards (Fullback)Grant Irons (Defensive End)
Assuming you're asking about the football team, two players wore #5 in 2010: Armando Allen (RB) on offense, and Manti Te'o (MLB) on defense.