In Drouin I find dit names for Pinard as Beauchemin, Lauzier, Gauche, Pinar, Saint Pierre!
In Tanguay for Fleurant he suggests Florant, Beauchemin, Leclerc, Pinard, Riopel. Furthemore, he suggests Fleurant, Joseph see Pinard 1758. So I looked it up for you in Vol 6 p 365..
Joseph Pinard, bMar 20 1729 Nicolet, son of Guillaume & Marguerite Leclerc married Feb 6 1758 Pointe du Lac Elisabeth Gauthier b. 1734 daug. of Elie Jean 6 children listed. Do you have any idea which one you would be after? The boys listed are: Antoine m. Madeleine Laspron Joseph m. Madeleine Trotier-Beaubien
Guillaume & Marguerite Leclerc were married 8 Jan 1720 Trois Rivieres.