Alexander Mackraith married Elizabeth Tait at Tarbolton on 31 December 1800.
They had eight children:
Mary McCraith born 1801
Hugh McCraith born 14 March 1803, Tarbolton
Martha McCreath born 1 July 1805. Married to George Hill.
Jean McCreath born 21 October 1807
Alexander McCreath born 11 October 1810.
James McCreath born 17 May 1813. Married Mary Morton.
Elizabeth McCreath born 7 January 1816
Margaret McCreath 30 June 1823