Mary Allen Wilkes is known to be the first to use a home computer which she had built herself in 1965. She was able to do this through her work on the LINC (Laboratory Instrument Computer), the first mini-computer development at MIT’s Lincoln Laboratory.
For other milestones in “computor” development, see:
Source: “Mary Allen Wilkes,” Women in the History of Computing Technology, http://www.cssu-bg.org/WomeninCS/mary%20allen_wilkes.php (accessed September 17, 2011).
Image Source: “Mary Allen Wilkes,” American University in Bulgaria, http://www.cssu-bg.org/WomeninCS/Pictures/mary_allen_wilkes_2.jpg (accessed December 13, 2011).