I don't know if there's a connection here but there is this entry on family search for a
Hugh McKinley https://familysearch.org/ark:/61903/1:1:FR9P-ZJW
parents James & Mary Jane Murphey and on Ancestry can't view the original entry
there's only an index 
Hugh McKinley Birth Date: 7 Jun 1867 Newtown Ards, Down, Ireland
Father: James McKinley Mother: Mary Jane Murphey
The Family Search record is a birth extract. You can see a scan of the record on GRONI's website after registering then purchasing a few credits.
