Abram Now Morris is indexed for his given name and Winnikur Now Wiener for his surname. I don't remember if this is correct or if it should be indexed as Abram or Morris.
I've also had this question.
You will index it as Abram Or Morris as the given name and Winnikur Or Wiener as the surname. This is under Field Help:
Include all aliases, nicknames, or variant names that were given for a person, separating them with the word Or.
And under Alias Name in General Indexing Guidelines in the Project Instructions.
If alias names were included on a document, or if an individual's name was listed with various spellings on the document, include all variants, separating each with the word Or. For example, if a name was written as "Georgios (George), George Broski, George Browzowski, or George Brzozowski," index the name fields as follows: