 Lyons then again entered the university and graduated from Notre Dame in 1862 with highest honors.He taught at Notre Dame as professor of English for 26 years and was one of the most beloved figures on campus, was widely popular among students and other faculty, and was heavily involved with many student societies such as the Columbian Literary and Debating Club, the St. Cecilia Philomathean Association, the St. Stanislaus Philopatran Society.He compiled the story of the University for the celebrations of the Silver Jubilee in 1867.