I am assuming that you want to know parents etc. of each couple so will give you the basic info from the marriages.
ST. REMI-DE-LA-SALLE, NAPIERVILLE
Feb. 12, 1877, marriage of Emery Roy of St. Louis de Gonzaque - son ofAmable Roy and Eugenie Lazeau
and Marie Elodie Elmina Lachapelle of this Parish, daughter of Leon Lachapelle and deceased Rebecca Lanetot of this Parish
Int he presence of Amable Roy, father of the spouse, and Leon Lachapelle, father of the spouse.
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ST REMI -DE -LA-SALLE, NAPIERVILLE
November 14, 1843, marriage of Amable Roy, widower of …………………..
and Eugenie Loiseau, daughter of Francois Loiseau and deceased Julia Nabonne
In the presence of Amable Roy, father of the spouse, and Joseph Boyer and Germain Boyer
** I am not sure of spelling of Nabonne, nor Boyer
so this one is not a 1st marriage for Amable and I cannot make out first wife's name -
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but I believe I found his first marriage - a bit hard to read but will do my best
ST-CONSTANT-ST-CONSTANT, LAPRAIRIE
….20, 1837 (possibly August?) ,marriage of Amable Roy, son of Amable Roy and deceased Josephte Robert of St. Remi, and Julianne Toupin, daughter of
………..Toupin and Angelique Lafort of this Parish
** I am not sure of Julianne's surname as it is indexed Gore but does not look like that to me in image - looks like Toupin to me but I am looking for her death to see what it shows
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OK I found a burial to fit.
ST REMI-DE-LA-SALLE-NAPIERVILLE
Mar 8, 1841, burial in the cemetery of this Parish the body of Julianne Poupin, age of 23 years, wife of Amable Roy
her name was indexed as Poupare
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there is a marriage Oct. 19, 1812 Laprairie of a Pierre Toupin and Angelique Lefort his parents Francois Toupin and Catherine Bropard, hers deceased Pierre Lefort and Catherine Lefrancois
the writing much clearer for this entry so Toupin does seem to be the surname
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ST-PHILIPPE, LAPRAIRIE
Oct. 8, 1810 marriage of Amable Roi, son of Amable Roi and of Renee Barbieau and Josephte Robert dite Lapommerai, daughter of Pierre Robert dit Lapommerai, and the deceased Josephte Robidau.
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ST-PHILIPPE, LAPRAIRIE
July 14, 1783, marriage of Amable Roy, son of Andre Roy and the deceased Marie Joly of this Parish and Marie Renee Barbeau, daughter of Rene Barbeau and the deceased Louise Arinville (not sure of this surname)
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NOTRE DAME DE LA PRAIRIE DE LA MADELEINE, LAPRAIRIE
Feb. 3, 174, marriage of Andre Roy, son of Andre Roy and of Susanne Gourdon and Marie Joly , daughter of Nicolas Joly and Marie Beaudet
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BASILIQUE NOTRE-DAME, MONTREAL
November 7, 1718, marriage of Andre Roy, aged of 26 years, son of Pierre Roy and Catherine Ducharme, and Susanne Gourdon, age of 30 years, daughter of Jean Baptiste Gourdon and Michelle Parin.
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*first time I have seen ages given for bride and groom in a marriage record in Quebec
I did not find marriage for Pierre Roy and Catherine Ducharme dit Fontaine
nor the marriage for Charles Roy and Jeanne Boyer
Are you wanting more on these people such as burials, children etc.??