Don't know if you still need this, but the only Pierre Sicard I could find in Maskinongé in 1835 was
Pierre Sicard dit (i.e., AKA) Lavaute (a branch of the larger Sicard de Carufel family)
born and baptized at Maskinongé, QC 21 March 1835
Parents: David Sicard dit Lavaute & Marguerite Lemire dit Gonneville
Godparents: Pierre Vanasse & Angelique Lemire–Gonneville
Pierre's parents:
David Sicard s/o Joseph Sicard & Marie-Josephe Lessard
Marguerite Lemire–Gonneville d/o Gabriel Lemire & Marguerite Leclerc
m Maskinongé, QC 17 Feb 1829
Joseph Sicard s/o Francois Sicard & Genevieve Lampron–Lacharité
Marie-Josephe Lessard d/o Etienne & Marie-Josephe Dupont
m Maskinongé, QC 21 Jan 1799
Francois Sicard de Carufel s/o Jean Sicard & Genevieve Raté
Genevieve Lampron dite Lacharité d/o Claude Lampron & Marguerite Foucault
m Maskinongé, QC 11 Jan 1751
Pierre's baptismal record is attached. Hope this helps.