On 9 January 1951 Lord Manton married Mary Hallinan, known as Mimi, the daughter of Major Thomas Dennehy Hallinan, of County Cork.
Lord Manton married Mary Hallinan of County Cork. This was on 9 January 1951. Mary Hallinan was known as Mimi. Mimi was the daughter of Major Thomas Dennehy Hallinan.