Tomás Marín de Poveda was born in Lúcar, Almería Province, the son of Tomás López Marín and María González de Poveda. He came to America in 1687 with his uncle, who had been named Archbishop of Charcas, in present-day Bolivia. Afterwards, in 1670, he moved to Chilefor the first time with the retinue of governor Juan Henríquez. He later returned to Spain, where he was promoted to the rank of Lieutenant General and named Royal Governor of Chile on July 1, 1683. However, he was forced to wait for the term of the serving governor, José del Garro, to expire before travelling to take up his post, this meant that he could not assume until 1692. On August 9, 1687, he was made a knight of the Order of Santiago. In 1689, he wrote a Funereal Prayer for Marie Louise of Orléans to mark the death of the Queen.
As Governor of Chile
His administration was marked by a brief flare-up of the Arauco War. In 1694 the ToquiMillalpal and the Mapuche were incited to revolt by the unauthorized activities of Antonio Pedreros, the Commissary for Indian Affairs, against their machis, whom Pedreros had tried to violently isolate and relocate. Pedreros died of wounds when his force tried to cross the Quepe River to attack Millalpal. The Spanish army of the Captaincy General of Chile was then sent against Millalpal under Maestre de CampoAlonso de Cordova and the Sargento MayorAlonso Cobarrubias was impossible for Millalpal to resist and he had to capitulate. The governor then called the Parliament of Choque-Choque with the Mapuche, realizing Pedreros had been the source of the dispute and made a peace that lasted for nearly thirty years. Also Poveda had to deal with the expeditions of various pirates against Chilean trade, and the competition between the various functionaries of the Real Audiencia of Chile. During his term, he founded the cities of San Agustín of Talca, Rengo and Chimbarongo. After his tenure, he received the title Marquis of Cañada Hermosa. He died in Santiago a year later, in 1703. In 2019 the title was rehabilitated by a cousin of the 1st Marquis, Nick Loeb :es:Condado de San Pascual Bail%C3%B3n|Count of San Pascual Bailón.