There are 2 titles associated with this person.

@book{ wphp_579
  author={Shackleton,Richard and Shackleton,Elizabeth Carleton and Shackleton,Abraham},
  year={1822},
  title={Memoirs and Letters of Richard and Elizabeth Shackleton, Late of Ballitore, Ireland; Compiled by their Daughter Mary Leadbeater. Including a Concise Biographical Sketch, and Some Letters, of her Grandfather Abraham Shackleton.},
  publisher={Joseph Harvey and Samuel Darton \& },
  address={London},    }
@book{ wphp_14579
  author={Shackleton,Elizabeth Carleton and Shackleton,Richard and Shackleton,Abraham},
  year={1823},
  title={Memoirs and Letters of Richard and Elizabeth Shackleton, Late of Ballitore, Ireland; Compiled by their Daughter Mary Leadbeater. Including a Concise Biographical Sketch, and Some Letters, of her Grandfather Abraham Shackleton.},
  publisher={Samuel Wood and Sons [261 Pearl Street] \& Samuel S. Wood & Co.},
  address={New York City},    }