He was a catholic church official. He explored East Texas on June 1st,1690.He established the mission San Francisco De Los Tejas.
Hidalgo was with the expedition of Domingo Teran de los Rios in 1691, and he remained in East Texas until San Francisco los Tejas Misson was abandoned in 1693.
He was to have accompanied the Domingo Ramon expedition of 1716, charged with setting up Franciscan missions in East Texas. However, illness at San Juan Bautista prevented his arrival in East Texas until after the founding of the first four missions.