(French) form of Christina. It was popular in the medieval period, when it appears to have been used interchangeably with Christian, and again in Britain at the end of the 19th century. In the United States it was particularly popular from the 1950s to the 1970s.
Scottish: habitational name from a place near Hawick in southern Scotland, where a family of this name held Borthwick Castle since the 14th century. The place name is from Old English bord ‘board’, ‘table’ + wīc ‘outlying village’, ‘dairy farm’.