GFHS Indices have this baptism and marriage,

HAYWARD George William
Baptized:- 4 Jul 1821 Gloucester,St Nicholas
Parents:- George & Mary labourer Gloucester St Nicholas

HAYWARD George and READING Mary Ann
Married by Banns:- 1820 30‐Jul GLOUCESTER ST NICHOLAS

I think the 1851 census entry reads Gloster (i.e. the county), Gloucester