John de Courcy O'Grady (1800-1856) (1800–1856) Parents Elizabeth Thomasina Waller Gerald de Courcy O'Grady Children Peel O'Grady Henry Knox O'Grady Agnes Antoinette O'Grady Gerald de Courcy O'Grady Siblings Gerald de Courcy O'Grady John Thomas O'Grady John Waller O'Grady Dorothea O'Grady Isabella O'Grady Mary Elizabeth O'Grady Partners Eliza Peel