He married Catherine Buchanan . Catherine Buchanan was born at of Greenock, Renfrew, Scotland Abt 1723 .
They were the parents of 11
children:
John McKinley
born 11 Dec 1748.
Mary McKinley
born 14 May 1750.
Patrick McKinley
born 13 Mar 1752.
Elisabeth McKinley
born 8 Apr 1754.
James McKinley
born 20 Apr 1756.
Agnes McKinley
born Abt 1757.
Janet McKinley
born 3 May 1758.
Catherine McKinley
born 9 Jun 1760.
Christian McKinley
christened 5 Jul 1762.
Margaret McKinley
born 8 May 1764.
Jean McKinley
born 8 Aug 1767.