You may already have this information but in case you don't from the records of St. Joseph's church in Fitchburg.
Landry, Arthur Zoel (Olivier & Nathalie Saunier) born: 20 Mar 1895 St. Thhomas Memrancook NB
Married: 30 Oct 1922
Basque, Marie Sylvie Zelica (Patrice & Marguerite Leblanc) born: 29 Jan 1900 St. Joseph Fitchburg
Witnesses: Florian Landry & Patrice Basque
I hope this helps