Fairfax Cary Harrison was an American lawyer, businessman and history writer.

Reference:

• "District of Columbia Deaths, 1874-1959," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/X2K5-XJK : accessed 10 Feb 2013), Fairfax Harrison, 1938.
• Fairfax Harrison. Wikipedia.org. http://bit.ly/gT3nN8. Date published: 4 Feb 2013. Date accessed: 10 Feb 2013.
• "United States Census, 1900," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MMFM-YCL : accessed 10 Feb 2013), Fairfax Harrison, ED 43 Washington city, Washington, District of Columbia, United States; citing sheet 6A, family 76, NARA microfilm publication T623, FHL microfilm 1240160.
• "United States Census, 1920," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MJFW-6Q1 or http://ancstry.me/Xl0eAC : accessed 10 Feb 2013), Fairfax Harrison, , Fauquier, Virginia; citing enumeration district (ED) , sheet 4A, family 67, NARA microfilm publication T625, FHL microfilm 1821888.
• "United States Census, 1930," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/C63G-TW2 or http://ancstry.me/XkYOGi: accessed 10 Feb 2013), Fairfax Harrison, Scott, Fauquier, Virginia; citing enumeration district (ED) 0015, sheet 8A, family 151, NARA microfilm publication T626, roll 2443.