There are numerous Patrick McGinleys named, almost all showing Ireland as a birthplace, but without checking all of them it is not possible to determine if any ended up in Mississippi. Could you furnish more information? Birth and death years (even approximate) would be extremely helpful.
EDITED TO ADD: I found, in FindAGrave, a Patrick Bernard McGinley born 1854 in Ireland who died in Hattiesburg in 1928. He had a son, William Patrick McGinley, born in 1903 and died 1964 in Hattiesburg.
Assuming that one of these is the Patrick McGinley you are interested in, Patrick McGinley (McGinley-211) is NOT him. McGinley-211, from his biography, seems to have lived in Ireland his entire life, or at least through the 1911 Irish Census.