In Brief CCC 452
© Libreria Editrice Vaticana Source: vatican.va
The name Jesus means "God saves". the child born of the Virgin Mary is called Jesus, "for he will save his people from their sins" (Mt 1:21): "there is no other name under heaven given among men by which we must be saved" (Acts 4:12).
Read the full chapter 2. I Believe in Jesus Christ, the Only Son of God ¶422–682