 The Over Mordington estate was next purchased by Thomas Hay of Mordington (died 1752), brother of Sir John Hay of Alderston, 1st Baronet.In 1752 it passed to a relative, Alexander Hay of Mordington (died 1788), Advocate.Thereafter it passed to the Renton (later Campbell-Renton) of Lamberton family who retained possession until the 1970s, when, having failed in the male line, the family ended with a female inheritor who preferred to reside in Edinburgh.