Isidore was born in Madrid, in about the year 1070. He was born in a poor family but has very devout parents. He has christened Isidore from the name of their patron, St. Isidore of Seville.
Isidore spent his life as a hired hand in the service of the wealthy Madrilenian landowner Juan de Vargas on a farm in the city’s vicinity. He shared what he had, even his meals, with the poor. Juan de Vargas would later make him bailiff of his entire estate of Lower Caramanca.
Isidore married Maria Torribia, known as Santa MarÃa de la Cabeza in Spain; she has never been canonized, pending confirmation by Pope Francis. Isidore and Maria had one son.On one occasion, their son fell into a deep well and, at the prayers of his parents, the water of the well is said to have risen miraculously to the level of the ground, bringing the child with it.
Isidore died on 15 May 1130, at his birthplace close to Madrid, although the only official source places his death in the year 1172.