Maria Christina was born and baptized in Seville (Spain) in July 1890. Her parents were called José and Elisa. The date of her first communion is unknown.

On 24 January 1921, Cristina entered the convent of the Discalced Carmelite nuns in Ojíjares (Granada), received the habit on  August 15 and made her solemn profession on the 21^st of August, 1925.

On April 30, 1946, Cristina set out from the convent of Ojíjares with five other companions, to found the convent in San Fernando (Cadiz), inaugurated on October 15 of the same year, under the title of the Holy Trinity. Of advanced age but full of merits, she died in San Fernando on March 24, 1980.

The Diocesan Inquiry into her «Life, Virtue and Reputation for Holiness» was opened on 24^th of July 2005 and closed on 30^th of November 2008 in the Diocese of Cadiz and Ceuta.