You're welcome.
Take a look at HEJHALs that came thru NY EI
www.ellisislandrecords.org Maybe their location will help with narrowing down your ancestor's place of birth.
www.ellisislandrecords.org Family went to family in the beginning. Your father's church baptismal record should contain place of birth of his parents.
www.cgsi.orgwww.csagsi.orgwww.iarelative.com