Interesting Tip from FamilySearch

Alias Names or Using "Or" to Separate Names

An alias is an assumed or additional name. AKA means “also known as” and indicates another name by which the person was known. Sometimes, the clerk might have used quotes or parentheses to indicate an alias or other name. To index a name that has one or more aliases or uses an AKA, type the word or between each name.

For example, if an individual’s name is listed as Joseph Broski AKA Joseph Browzowski AKA Jozef Brzozowski, you would type:
Given Name: Joseph or Jozef
Surname: Broski or Brozowski or Brzozowski

When the clerk appeared to have used quotes or parentheses to indicate an alias or other name, use the word "or" between the names, and type only the names.
For example, if the clerk wrote a name as John "Buck" Harrison, you would type:
Given Name: John or Buck
Surname: Harrison

The word "or" can also be used when two different names are given on a document, and you cannot determine which name is correct. For example, if the given name was written as Mary in one place on the document and as Marion in another place, both names, separated by "or," would be typed in the given name field.

So now you know.