Personal Data   BIRTH: March 3, 1764   DEATH: November 23, 1841, Saint-Michel-de-Bellechasse,Québec,CANADA Family Data   FATHER: Jean-Baptiste MERCIER (September 18, 1734 - April 4, 1820)   MOTHER: Marie-Élisabeth BLAIS (March 12, 1737 - ???)     FAMILY 1 : Gabriel GAGNON    (November 12, 1759 - February 19, 1841)   MARRIAGE: April 20, 1784     1.  Pierre GAGNON (About 1793 - ???)   2. +Jean-Paul GAGNON (About 1796 - ???)   3.  Archange GAGNON (About 1809 - ???)   4. +Benjamin GAGNON (About 1810 - ???)   5.  Marie-Olive GAGNON (??? - ???)