This is likely to be the same person. Foster notes him as Gregory rather than George - father of Richard.
Venn: M.A. from SIDNEY, 1719. S. of Richard, of Ashwater, Devon, gent. Bapt. there, Nov. 17, 1685. Matric. from Exeter College, Oxford, July 16, 1703, age 17; B.A. (Trinity College, Oxford) 1707. V. of Cannington, Somerset, 1711-35. R. of Otterhampton, 1734-5. Died 1735. (Al. Oxon.)