This is the Genuki "brief" for Walsall Registration District
Walsall
Created 1st July 1837.
Sub-districts : Aldridge; Bloxwich; Darlaston; Walsall.
GRO volumes : XVII (1837-51); 6b (1852-1930).
Aldridge, Bentley, Darlaston, Great Barr, Pelsall, Rushall, Walsall, Walsall Wood.
Registers now in Walsall district.
it helps to find out what areas each district covered, because if for example you have a family living in Bloxwich in the census, then from the above info you know that the most likely Reg District is Walsall.
or thats what I use the information for, especially in the London Boroughs, it helps narrow the field when you are trying to tie up the GRO index reference
(as you seem to be ?)
hope that helps a bit,
Newbie