Think John is a typo.
DYSON, JAMES DYSON
GRO Reference: 1839 D Quarter in HALIFAX Volume 22 Page 179
GRO Reference: 1839 D Quarter in HUDDERSFIELD UNION Volume 22 Page 376
Baptism link James son of John and Hannah 17 Nov 1839 in Almondbury a chapelry in parish of Marsden
Marriage James Dyson son of John to Mary Anne Firth link
1851 census with 11 year old James son of John and Hannah b Marsden There is an older brother John born c 1835
https://www.ancestry.co.uk/sharing/5849900?mark=7b22746f6b656e223a22685272594974555a5a794e644e674f796471563645713951632b786133496b5657635458696c46507a46733d222c22746f6b656e5f76657273696f6e223a225632227d