In 1854, Fitnam was born in Washington, D.C., to Rosella Dant and Thomas Fitnam, a harness maker. As a young man, Fitnam Jr. worked as a plasterer and printer. In June 1884, at age 30 Fitnam graduated from Georgetown University with a LL.B., where he won a prize for his essay.[3][4] He continued his post-graduate studies at Georgetown, receiving his LL.M. in 1885.[5][6] In 1885, he worked as a pressman for the United States Government Printing Office. After clerking for the Supreme Court, Fitnam engaged in private practice and was an examiner and trustee in the Equity Court in Washington, D.C.[7][8][9][10][11][12]
Fitnam died in Washington, D.C., on April 5, 1919.
^"The Courts, Equity Court". Evening star. (Washington, D.C.). Library of Congress Historic Newspapers. December 15, 1888. p. 8. Retrieved September 27, 2017.
^"The Courts, Equity Court-Judge Hagner". Evening star (Washington, D.C.). Library of Congress Historic Newspapers. 25 July 1890. p. 8. Retrieved November 26, 2017.
^"The Courts, Equity Court No. 2". Evening star. (Washington, D.C.). Library of Congress Historic Newspapers. May 14, 1903. p. 3. Retrieved September 27, 2017.