From Christopher Jones, Ph.D candidate in early American history at the College of William and Mary:
currently transcribing the journal of Isaac Bradnock, a Methodist
missionary in the British West Indies, from December 1802. Without fail,
he abbreviates "Christ" as "Xt" and "Christian" as "Xtian." And he
doesn't even mention the word "Christmas" (or "Xmas") in his entry for
Why does Isaac Bradnock hate Christmas?