WELWIN, (Hertfordshire) on the r. Mimram, in the great coach read to the N. 6 m. S. of Stevenage, 4 N. of Hatfield, and 25 from London, was so called by the Saxons from its plenty of springs. It is said, that in 1012, the general massacre of the Danes began at this place; and it is certain, that in the N. end of it many bodies have been found buried, some not above 2 foot under ground. The rectors of the Ch. have long been Lds. of this manor (at which are held courts leet and baron) by virtue of a grant from Edw. the Conf. and the fines are at the will of the Ld. Here lives a very considerable tanner, It has a small almsh.