sentences:  He was subsequently returned unopposed at the election of 1886.When the Irish Parliamentary Party split over Parnell's leadership in December 1890, O'Connor was one of Parnell's strongest supporters.In the week-long debate in Committee Room 15 of the House of Commons, O'Connor played a prominent role, particularly on the last day when he moved a resolution critical of Gladstone's continued insistence on Parnell's removal from the leadership.