John Orr was an 18th-century Irish Anglican priest."Sermons Upon the Following Subjects" John Orr: Dublin; J.Noon; 1739
Barton was educated at Trinity College, Dublin,"Alumni Dublinenses : a register of the students, graduates, professors and provosts of Trinity College in the University of Dublin (1593-1860George Dames Burtchaell/Thomas Ulick Sadleir p644: Dublin, Alex Thom and Co, 1935 He was Rector of Maryborough'Universal Catalogue' p40: London; J.Bell; 1772 then Archdeacon of Ferns from 1757 until 1767."Fasti Ecclesiae Hibernicae: The succession of the prelates Volume 2" Cotton, H. pp361/2 Dublin, Hodges & Smith, 1848-1878
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