John de Courcy, 26th Baron Kingsale (1740-1822) (1740–1822) Parents John de Courcy, 25th Baron Kingsale Martha Heron Children John de Courcy Gerald de Courcy Thomas de Courcy, 27th Baron Kingsale Michael de Courcy Elizabeth de Courcy Mary de Courcy Anne Geraldine de Courcy Martha de Courcy Siblings Michael de Courcy James de Courcy Mary de Courcy William de Courcy James de Courcy Partners Susan Blennerhassett