1500 in M. Livingstone (1908) I. 80/2 Gift made to Adam Barde, lokman,..for his service of lokmanschip.
1614 (National Rec. Scotl. RH9/15/150) 10 Sept.–21 Oct. Gif he does not willinglie at all occasiones neidfull execute the said office off hangman or lockmanship, to be hangit him self.