There are some families in England that used alias surnames for generations. I'm looking a 'Simms alias Shipman' right now, as I believe one of my ancestors to be one.
On some baptism records (and marriage & burial) they are marked as 'Simms alias Shipman', others as 'Shipman alias Simms', or in two separate records for the same person, or even listing one name and not the other. There was little consistency here, and all these cases could occur even amongst siblings.
How should I handle such a case where it appears both names were used virtually interchangeably. Should I go with the first that appears on the record as LNAB, even if that means the siblings all have different surnames?
I could say the same for spellings also as at this point the name could be 'Simms', 'Sims,', 'Syms', 'Symes' etc., or even two different ones in the same source.
Any help on LNAB convention etc. for aliases and alternate spellings would be appreciated.