There are 2 titles associated with this person.

@book{ wphp_14271
  author={Rennell,Reverend Thomas},
  year={1796},
  title={A sermon preached at the anniversary meeting of the Sons of the Clergy, in the Cathedral Church of St. Paul, on Tuesday, May 10, 1796. By the Rev. Thomas Rennell, D.D. Late fellow of King's College, Cambridge. To which are added, lists of the nobility, clergy, and gentry, who have been stewards for the feasts of the Sons of the Clergy, together with the names of the preachers, and the sums collected at the anniversary meetings, since the year 1721.},
  publisher={},
  address={London},    }
@book{ wphp_14336
  author={Rennell,Reverend Thomas},
  year={1799},
  title={A sermon preached in the cathedral church of St. Paul, London: on Thursday, June 6, 1799. being the time of the yearly meeting of the Children educated in the charity-schools, in and about the cities of London and Westminster. By Thomas Rennell, D.D. F.A.S. Master of the temple. Published at the Request of the Society for promoting Christian Knowledge, And the Trustees of the several Schools. To which is annexed, An account of the Society for promoting Christian Knowledge.},
  publisher={},
  address={London},    }