I've just started this journey ! , but can trace direct descent down my father's male line from the "James Marr married Johanna Jamieson, they had a son, Charles who married Jane Kirke " mentioned by Robeena in an earlier reply.
Charles Marr & Jane Kirke also had a son called Charles, I believe the line goes:
Charles Marr(Fisherman, N.Berwick, James on his birth certificate ?)/Joan Jamieson
had son Charles Marr (Father Charles Marr, Mother Joan Jamieson) born 1835
Charles Marr(1835-1910, Fisherman, N.Berwick)/Jane Kirk(e)
had son Charles Marr born 1864
Charles Marr( 1864-1906), Fisherman, N.Berwick)/Margaret Clarence Dalrymple Thomson (Domestic Servant, later married to a Mr Wilkie)
had son Charles Marr( 1891-1957)
Charles Marr( Public Baths Boilerman, Leith)/Catherine Ferguson Russell
had son Charles Alexander Marr 1930 - who is my father.
Rgds,
Gerry Marr