I. The Name of the Lord is Holy

From The Catechism of the Catholic Church

2146
The second commandment forbids the abuse of God’s name, i.e., every improper
use of the names of God, Jesus Christ, but also of the Virgin Mary and all the
saints.

PART THREE: LIFE IN CHRIST

SECTION TWO THE TEN COMMANDMENTS
- CHAPTER ONE YOU SHALL LOVE THE LORD YOUR GOD WITH ALL YOUR HEART, AND WITH ALL YOUR SOUL, AND WITH ALL YOUR MIND
  - Article 2 THE SECOND COMMANDMENT
    - I. The Name of the Lord is Holy

From The Catechism of the Catholic Church – rosary.team