He participated in the 1831 -- 33 Powerscourt Conference , an annual meeting of Bible students organized by his friend , the wealthy widow Lady Powerscourt ( Theodosia Wingfield Powerscourt ) .
It is believed that John Nelson Darby left the Church of Ireland around 1831 .
John Nelson Darby participated in the 1831 -- 33 Powerscourt Conference , an annual meeting of Bible students organized by John Nelson Darby 's friend , the wealthy widow Lady Powerscourt ( Theodosia Wingfield Powerscourt ) .
It is believed that John Nelson Darby left the Church of Ireland around 1831 .