Rachel Jenckes was born to Joseph and Rachel (Davis) Jenckes on March 15, 1776 in Fredericksburgh, Ontario, Canada.  She was baptised on December 21, 1790 at the age of 14.  On November 1, 1796 she married Melchior File.  Together they had 5 children.

After Melchior died in 1824 Rachel married James Blakely. Rachel died at the age of 75 in 1852 and is buried in Wellington Village Cemetery in Prince Edward County.