Please Remember that Rootschat is about helping each other with researching our family history's deceased ancestors, so please can you confirm that you already know that both the people you have named, are no longer living.
NSW historic electoral rolls are likely available at the NSW state library. It may be coming out of lockdown shortly, but their Ask The Librarian service has email.
NSW has strict privacy rules, so a living person's name is sensitive information, they have a lawful expectation to privacy of the individual.
RChat rules dont allow posting names of the living.
JM.