The fonds documents the activities of Julien Paquin, S.J. It contains information on the presence of Father Paquin within different missions in Northern Ontario and concerning his involvement in the First World War. It also includes his correspondence. The fonds is comprised of five series: correspondence, military service, missions, spiritual notes and reflections and Collège Saint-Boniface. The documents part of the fonds range from 1896 to [1935].

The collection includes biographical information written about Ernest Comte, S.J. in the 1920s, as well as his catalogue page and memorial cards. It also includes original copies of his own writings about his time at Killarney, many correspondences produced by him, an original sermon he authored, accounts of his missions, and transcribed excerpts from several additional letters he wrote. The collection also contains several photograph portraits of Father Comte as well as one negative.