Hmm, not sure, but I have Meins living in Newtown [St Boswells], on Hawkslee Farm, ca 1700-1800. Cousins?
James Mein -m- Mary Mercer of Bridgend abt 1760 and they had children in the 1760s/1770s. James' parents were Andrew Mein, born Feb. 1704/05 in Melrose (witnesses Nicoll Cochrane and John Milne), and Janet Renaldson, born 1709 in Newstead. Andrew's parents were James Mein and Elizabeth Hitoun, birthplaces and birthdates unknown.