Foster: Mervin, William, s. Jonas, of Morthoe, Devon, cler. Exeter Coll., matric. 10 May 1701, aged 17; BA 7 Mar. 1704-5, fellow 1708-19, MA 1708, BD 1719, rector of Beaworthy, Devon, 1711, and of Clare portion in Tiverton 1721, of Atherington 1728, or Georgeham 1729, and of Heanton Punchardon (all in Devon) 1730-44; brother of Richard 1696. See Boase, 87; Foster's Index Eccl.