Mother of God. Christmas celebrates the incarnation of God becomes Man.  As the Catholic Church celebrates the Octave of Christmas solemnly for eight days, the concluding day on January 1st is the Solemnity of Mary the Holy Mother of God.       We see the expression of Mary as the Mother of the Lord, of God, in the New Testament. St. Elizabeth, then over six months’ pregnant with St. John the Baptist, greets the Blessed Virgin Mary, then early in her pregnancy with Jesus, saying, “And why is this granted me, that the mother of my Lord should come to me?” (Lk 1:43.) We know from the Old Testament that the Hebrews and their descendants would not pronounce out loud the Divine Name (transliterated as YHWH) but would instead speak out loud “the Lord.” Even in almost all English Bibles, “the Lord” (usually written with all caps) is printed instead of the Divine Name used in the original text. Here Elizabeth specifies, "my Lord,” clearly denoting God. “Mother of my Lord,” she says, which