The McGowan family is a noble family holding titles in the Peerage of the United Kingdom and the Peerage and Baronetage of Ireland .
The McGowan family has direct links to the (the Earls of Cottenham), and the Nevill family, holders of the titles of Marquess of Abergavenny, Viscount Neville and Earl of Abergavenny. Through this connection to the House of Neville the McGowan family is descended from Kings Edward IV and Richard III, the last members of the House of York to rule England. This royal ancestry is derived from Cecily Neville, Duchess of York, mother to the two kings. The linked houses of Neville and York were to become renowned for their involvement in the War of the Roses.
King Edward III of England was the paternal Great-Grandfather of Cecily Neville.
Also among the family's ancestors is William Young, the highly regarded architect and Sir James Herbert Cory, Conservative MP and philanthropist.