The following are Magnalls and Mangnalls that I have found in Pigot & Dean’s Directory 1821/2 for Bolton:-
Mangnall and Harrison, counterpane dressers, Old Hall-street
Mangnall John, parish clerk, 1 Church-gate
Mangnall John, cotton manuf. 32 Howell’s-croft
Mangnall Mrs. 5 Lever-street
Mangnall R. & I. quilting and jean manufs. 1 Chapel-street, Little Bolton
Mangnall Jos. plumber and glazier, Bradshaw-gate
[Last updated 07 Nov 2004]