MERSTON-BIGOT, (Somerset) on the S. side of Frome-Selwood, consisted anciently of 2 manors viz. MAGNA, which bel. in the R. ofEdw. III. to John Ld. Beauchamp of Hache, and in that of Edw. IV. to Humphry E. of Devon; and Merston-PARVA, which bel. in the R. of Edw. I. to Geo. de Cantelupe, and afterwards to John Hastings; but in the R. of Hen. V. both manors were united in the estate of William Ld. Stourton, in whose posterity the manor continued several successions; but is now the Lp. and seat of the E. of Orrery, to whom it gives title of baron.