The only place I can see in England called Flash below:
Flash is a village in the Staffordshire Moorlands, England, and Peak District National Park. At 1,519 feet above sea level, it is the highest village in the United Kingdom and was an early centre for Wesleyanism.
The nearest baptism below is 4 miles away. (Family Search)
John Mellor
Baptism 24 February 1805
Longnor, Staffordshire
Parents Thomas Mellor, Mellor
Colin