Hi,
Legally a woman will always be recorded under her maiden name in Scots records for marriage purposes. It makes finding people much easier, but second marriages can still cause issues! Is it the same woman or just another of the same name. Occasionally you will get more details, relelict of …
Of course you also get alias names, for proscribed families and similar, there was also a standardisation of names. I have a letter saying all the old names are gone from about 1890 referring to her mothers maiden name.