research needed to possibly identify this man's parents etc

Question

Arsène Lafleur dit Poirier or Poirier dit Lafleur (the name gets written either way) was married with Henriette Laviolette (aka Charette dite Laviolette) at an unknown date and location.  They have several children whose marriages are identified in Drouin, but their own marriage hasn't been found so far.

They also haven't been found in Canada census records for the area.  Any help in finding additional data on them would be appreciated.  They were residents of Hull for at least the period from 1890 to 1899 when Arsène died.

Comments

I found the baptism of a daughter named Marie Josephine in L'Orignal, Ontario, linked here.

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An older sister, Henrietta, married in L'Orignal in 1872.  She was apparently born in Vermont in the mid 1850s.  Links here and here.

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Henriette Lafleur was godmother of Marie Joséphine.  Who obviously gets married under the name Josephte in 1890, fits with her being minor on wedding.

Thank you Greg, this sheds major light on them, now I guess I should add a tag for Vermont.