[1] Following his graduation, Pitkin would practice law while serving as a school principal in New Orleans between the years of 1861 to 1863.

[2] During the Civil War, he would find himself briefly serving as a private in Louisiana's Crescent Regiment, beginning on February 18, 1863.

[4] He would participate in the Southern Loyalist convention, held in Philadelphia in 1866, and would serve as a Republican campaign speaker.

[6] In 1877 Pitkin was nominated to be marshal of the United States for the eastern district of Louisiana; he would hold the position for one year.

[8] Pitkin served as the United States' Envoy Extraordinary and Minister Plenipotentiary to Argentina from 1889 to 1893.