The designation of an individual person, or of a firm or corporation. In law a man cannot have more than one Christian name. Rex v. Newman, 1 Ld. Raym. 562. As to the history of Christian names and surnames and their use and relative importance in law, see In re Snook, 2 Hilt (N. Y.) 666
Source: Black's Law Dictionary 2nd Ed (1910)
