Song of Solomon motif: Names

I think the motif of names from Song of Solomon is super intriguing.  Some of Morrison's characters have one set name, and that's what they stick with all their lives, whether these names make their lives harder (Pilate and connotations surrounding her name) or not (First Corinthians and her getting a job with a poet partially because of her name).  While other characters go by names different from their given names (Jake turned Macon Dead or Macon Dead III turned Milkman).   Then there's the whole connection between names and family, or "people".  I wonder if Morrison may have been trying to answer the question "Where do we get our names from?", but I'm not positive that she answered this because of all of the different names that each character possesses.  (ie: Milkman got his nickname from an observer who observed his mother, and now he's called "Milkman", but his "name" is Macon.  Which is really his name?  If Milkman is his name, then he got it from Freddie, the observer.  If Macon is his name, then he got it from his father.)  If we have multiple names, then which truly defines us, and how do we choose?  Maybe Morrison chose not to answer her own question directly to let the reader decide (or possibly just to make the reader more confused.... because that's definitely me!)

Why do you guys think Morrison gave names such importance in Song of Solomon?  Also, what do you think Morrison's question about names might have been, and do you think she answered it?