After his family moved to Kansas in 1871,[3] Aikman began attending the schools of Butler County and eventually befriended William Allen White.

[1] Upon completing his education at age 18, Aikman obtained a teaching certificate and taught school for four years to help support his family and fund his further studies, reading law in the offices of Sluss & Hatten, in Wichita.

[8] In total, he presided over 12 murder trials, some of national notoriety, and was only reversed upon appeal once (his original decision was later sustained by the State Supreme Court).

[9] In 1907, Aikman presided over a case involving the kidnapping of the "St. Louis World's Fair Incubator Baby", which received national coverage.

[3] After suffrage was passed in Kansas, in 1912, with just over a month left in office, he appointed the United States' first-ever female bailiff, and empanelled the first-ever jury consisting entirely of women in Kansas history (second ever in United States history, after San Francisco), to sit on the case of H. H. Boeck vs. Carrie M.

[9] After his death, his widow published a book entitled Life and Character of Judge Granville P. Aikman, which consisted of many newspaper articles covering his life, political career and death, as well as tributes from his colleagues and friends, including Judges Allison Thompson Ayres, Volney P. Mooney, C. A. Leland, A. L. L. Hamilton and George J.