The son of an illiterate farmer, young Joseph was sent to a very strict Catholic school where he was taught to obey and to fear God. Seeking escape from the intense poverty of his childhood as the 15th child of a peasant family, he joined the army in 1892. Frustrated by slow promotion and no recognition, and infused with the grandiose belief that he was not receiving the attention he deserved, Vacher attempted to kill himself by slicing his throat. This was the first of two unsuccessful suicide attempts.