Lynch

Irish (Anglo-Norman): Anglicized form of Gaelic Linseach, itself a Gaelicized form of Anglo-Norman French de Lench, the version found in old records. This seems to be a local name, but its origin is unknown. One family of bearers of this name was of Norman origin, but became one of the most important tribes of Galway.

English: topographic name for someone who lived on a slope or hillside, Old English hlinc, or perhaps a habitational name from Lynch in Dorset or Somerset or Linch in Sussex, all named with this word.