[1] In 1862, Landry moved to Rustico, Prince Edward Island to work with Father George-Antoine Bellecourt.

Landry then moved to Shediac and on July 8, 1867, he published the first issue of Le Moniteur Acadien.

[7] In 1868, Landry suspended publication of the newspaper for financial reasons and later sold it to its publisher, F.-X.-N.-Norbert Lussier.

[1] He then moved to Saint John to work as an organist and choir conductor at the Cathedral of the Immaculate Conception.

In 1955 Landry was declared a Person of National Historic Significance as part of the Acadian Men of Letters.

The Men of Letters also includes Pascal Poirier, Placide Gaudet, John Clarence Webster, and Ferdinand Robidoux.