Survey of English Place-Names

Historical Forms

• 1840 TA

Etymology

Swithin(possibly'burntground': if so, the ultimate source would be ON  *sviðinn'land cleared by burning',which is found in minor names and field-names in Yorkshire(PN WRY 7254):appearance in Sa would suggest a dialect derivative outside areas of Norse influence:another instance may be Swithin's Door in Pontesbury, Part 2 46, though that n. hasbeen ascribed to a church dedication: EDD gives swither'to burn', in Nt, Wa, Wo,Gl as well as in northern counties)