Accprdomg to the latest issue of "Ancestors of American Presidents" written and compiled by the finest genealogist in this country, Gary Boyd Roberts, there is no proof of any name for Rachel Kelley's parentage. She was known before marriage as "Mrs RACHEL MILLER KELLEY, IT IS MORE LIKELY THAT HER MAIDEN NAME WAS MILLER AND SHE MARRIED A KELLEY FIRST. jOAN kELLER - His only Irish ancestor, notwithstanding is the SIMPSON LINEAGE.