According to work done by an uncle of mine, Romuald Tourigny and Philomène Hamel wedded on 8 February 1859 at the church Saint-Christophe in Arthabaska. His mother was Louise Boisvert and his father was Joseph Tourigny. The parents of Philomène Hamel were Antoine Hamel and Marguerite Cloutier.
Joseph Tourigny and Louise Boisvert wedded on 22 April 1828 (Joseph's second wedding) at Bécancour at the church Nativité de Marie. Joseph's parents were Alexis Tourigny and Marguerite Marchand. Louise's parents were Louis Boisvert and Charlotte Houle/Descruisseaux.
Joseph's Tourigny first wedding was to Lucie Levasseur on 26 February 1826 in the same church.
Alexis Tourigny and Marguerite Marchand wedded in Bécancour at the above church (Nativité de Marie)on 2 February 1801. Alexis' parents were Joseph Tourigny and Françoise Perrot/Turbal. Marguerite Marchand's parents were Ignace Marchand and Geneviève Bigaut.
Joseph Tourigny's parents were Pierre Tourigny and Josephte Poisson who wedded in Champlain, church Notre-Dame de la Visitation on 11 February 1762. Josephte's parents were François and Marguerite Rivard.
If you want me to go back further, let me know. JP