was born Francis Saviour Portelli on 24 April 1852, to Francis and Mary Vella in Valletta.
He entered the Dominican Order in the Dominican Church in Rabat on 3 February 1868, receiving the religious name Angelo.
Fra Angelo lived in the Convent of Our Lady of the Grotto in Rabat.
After he finished his novitiate year he professed on 3 February 1869.
He finished all his studies in philosophy and theology at the Dominican College, Saint Thomas Aquinas in Rabat; in the year 1874 he was ordained priest and, two years following, he took the title of Lecturer of Theology.