This superb medieval English pre 12th century name is a typical Lancashire-Yorkshire dialectual pronunciation which means 'one resident at the dyers-house'. Derived from 'deyen' meaning to dye, the early recordings are all found in the West Lancashire region. The modern spellings are Dwerryhouse and Dwerrihouse, the developments have included (c. 1623) Dwarrihouse of Halewood, Dwarryhouse of Derby (c. 1647), Dwerrihouse of London (c. 1720) The first recorded spelling of the family name is shown to be that of William de Dwerihouse which was dated 1342 Wrightington, Lancashire during the reign of King Edward 111 The Father of the Navy 1327-1377 Surnames became necessary when governments introduced personal taxation. In England this was known as Poll Tax. Throughout the centuries, surnames in every country have continued to "develop" often leading to astonishing variants of the original spelling.