sentences:  The city was named after the pioneer Roman Catholic missionary and explorer, Father Eusebio Francisco Kino, who worked in the area, as well as in the present-day US state of Arizona.Originally, the territory was populated by the Papagos (Tohono O'odham) and Pimas (Akimel O'odham).The first missions were established in 1687, with the arrival of Father Eusebio Francisco Kino.