• A period of operation of 1925 to 1928 is given in 'Encyclopaedia of British Pottery and Porcelain Marks' by Geoffrey Godden. This must be an error as Roddy in known to have produced commemoration mugs for Queen Elizabeth II's Coronation in 1953. 
  It is possible that the date 1928 was a typo and should be 1958. 

• Gooden notes that a firm of this name manufactured tiles or sanitary ware.

• In 1937 Ernest Roddy of the Portland Tile Works, Newcastle Street, Burslem, was a Listed Exhibitor at the British Industries Fair. "All Tile Fireplaces and Recessed Surrounds of many types and colour effects. Also Bedroom Fireplaces and a selection of Surrounds suitable for housing schemes." Graces Guide 

E. Roddy mostly produced ordinary jugs, vases & character jugs, but they also made a limited amount of art pottery, with experimental glaze effects.

This small vase has a mottled finish base with a copper luster upper. 

jug with a multi-coloured, matt glaze

art pottery, with experimental glaze effect

hand applied initials - most likely Ernest Roddy

ginger jar with hand painted grave & vine pattern

high glazed bulldog figure

thought to be signed by Ernest Roddy
as a gift