Nathan K. McGill (1888–1946) was the first African American to serve as assistant attorney general for the State of Illinois.

[1][2] Nathan Kellogg McGill was born in Quincy, Florida on November 29, 1888 (some sources indicate November 29, 1880[3]), the son of Nathan and Agnes (Zeigler) McGill.

[1][4] After graduating from Cookman Institute, McGill studied at Boston University School of Law.

In 1912, he began his career as a lawyer, first in Jacksonville, Florida, then to Chicago, where he spent most of his adult life.

[2] In 1929, he became the first African American to serve as assistant attorney general for the State of Illinois.