Dillon was built in 1931 and renovated for the 2020-2021 school year and many of the first floor rooms were converted to living and study areas.

[7] Both halls were designed in 1931 by architects Charles Donagh Maginnis and Timothy Walsh in Collegiate Gothic style.

[8] The architectural style of both Dillon and Alumni was in line with the previous gothic building on campus by Kervick and Fagan such as Morrissey, with local yellow brick with limestone trimmings, adorned with stone carvings on the facade and the interiors.

John J. Bednar, CSC, depicting St. Jerome and St. Augustine (west court), Cardinal Newman (above the southwest entrance), and St. Patrick (south wall), and a statue of Commodore Barry (located in the west court) by Hungarian sculptor Eugene Kormendi, who was sculptor in residence at Notre Dame.

[12] When the halls opened in early November 1931 and three hundred freshmen moved in, the Dillon featured some of the latest technologies of the time, such as electric elevators, extension phones, buzzers, and slots for used razors.

[15] He was considered lenient in disciplinary matters, a trait that made him popular among students but that had him removed from the administration only one year in his tenure.

[19] In 1965, together with Farley and Alumni, it was the first dorm to try the "stay-hall" system, in which residents could stay all four years in the same hall rather than being divided by class as they were up until the 1960s.