Hi, on 1881 census they are still at 6, Prospect Row, Parr:
Thomas HEWS Head M Male 42 b.Galway, Ireland occ. Labourer
Ellen HEWS Wife M Female 42 b.Galway, Ireland Wife
Thomas HEWS Son U Male 15 b. Westbury, Shropshire, England
Patrick HEWS Son U Male 14 b. Westbury, Shropshire, England
John HEWS Son U Male 10 b. Westbury, Shropshire, England
Mary HEWS Daur U Female 12 b. Westbury, Shropshire, England
ref: RG11/3738/33/60
probably shropshire 1871? I don't have access to 1871 sorry.
Regards, Graham