Mateo Leal de Ayala (1579âÂÂ1627) was a Spanish army officer and politician, who served during the Viceroyalty of Peru as alcalde, teniente de gobernador and gobernador of Buenos Aires and Paraguay.
Mateo Leal de Ayala y Medina was born in Madrid (Spain), son of Isidro Leal de Ayala and Rosa de Medina, belonging to a distinguished family of La Cabrera. He possibly studied in Spain, and settled in the Spanish Colonies of America around 1598. He was married in the city of Potosàwith MarÃÂa Magdalena de Aguilar, a noble woman, daughter of Ginés MartÃÂnez and Leonor de Vargas.
In early seventeenth century, Ayala arrived at Buenos Aires from the Peru, and acquired a large estate of 500 rods of land, in the area of Pago de la Matanza. In Buenos Aires, he held the highest political positions, being designated the 27 of December 1613 as governor of the . He also served as alguazil mayor of the city, and was elected alcalde in first vote of Buenos Aires in 1621.