Gaétan Girouard was born in Saint-Hyacinthe on March 10th, 1965 to Aline and Clément Girouard. He has 3 siblings: Louis, Christine and Clément. Unfortunately, his younger brother died on January 1992. During the (La crise d'Oka), Justine, his first child was born. Two years later, in September, his second child, Marie-Claude was born.