[1] In this work the Normans missionary friars and then Catalan and Majorcan (especially Franciscans and Dominicans) who settled first in the eastern islands where even founded bishoprics and from where they began to evangelize the Westerners occupied.

[1] These, (as will happen later in America) accompanied the conquistadores in their mission to convert and catechize the aboriginals guanches, which like other ancient peoples had their own religion.

Perhaps in this respect, the Christianization undertaken by the friar and missionary Alfonso de Bolaños, dubbed the "Apostle of Tenerife", stands out among the guanches, about 30 years before the conquest of it.

Recently in Tenerife a Christian cross was found engraved in the rock and oriented to the sun, in a Guanche site in the municipality of Buenavista del Norte.

In 1515 the then only municipality of Tenerife (with Fernández de Lugo in the lead) took the founding act of the Church of Our Lady of Remedies (now La Laguna Cathedral) to convey to the court the need for residence in Tenerife from members of the Cathedral chapter of Canaries, which had it based in Las Palmas de Gran Canaria.

[5] On 19 November 1517 the council again sent to the Court a letter in similar terms which were ratified in the earlier decision, which did not reach any positive response.

Another important religious figure born at the time was the Servant of God Mary of Jesus de León y Delgado, whose body remains uncorrupted.

[5] In 1818, the clergy and the authorities of Tenerife requested again the creation of the Diocese to the Holy See (this time with the support of King Ferdinand VII of Spain) in a document called Instruction of the Chamber of Castile, having a favorable response of Pope.

[7] On February 1, 1819 a papal bull of Pope Pius VII approved the division of the bishopric of the Canary Islands in two dioceses.

The current bishop, 12th of the Diocese of San Cristóbal de La Laguna is Monsignor Bernardo Álvarez Afonso.