The 18 surnames begin with J

JACOB (2)
JACQUARD (1)
JACQUART (2)
JACQUEMIN (6)
JACQUES (5)
JACQUET (JACQUEY) (1)
JACQUIERRE (2)
JACQUIN (3)
JACQUOT (5)
JANNEY (1)
JANTOT (1)
JEANJEAN (2)
JEANNEY (1)
JEANTOT (1)
JESBERA (1)
JOFFROY (1)
JOLIBOIS (3)
JURDEY (1)