Today's the Solemnity of the Blessed Virgin Mary, the Mother of God. It's one of those holy days of obligation, when Catholics go to church, and it's not Sunday. (" Directory on popular piety and the liturgy. Principles and guidelines ," The Liturgical Year and Popular Piety , 115-117) "Mother of God?" I'm a Christian, so I think my Lord is God: God the Son, second member of the Trinity, and that's another topic. Topics. (Catechism of the Catholic Church, 232 - 260 , 456 - 478 , 2673 - 2679 ) Mary is my Lord's mother, so it's like St. John Paul said: " ...In her the eternal Son of the Father took our very flesh and through Her became "son of David and son of Abraham" (Mt 1,1). Thus Mary is his true Mother: the Theotokos, Mother of God! " If Jesus is Life, Mary is the Mother of Life. " If Jesus is Hope, Mary is the Mother of Hope. " If Jesus is Peace, Mary is the Mother of Peace, Mother of the Prince