John Akerman and Edwin M. Capps received the most votes in the primary election and advanced to the runoff.

The main challengers to O'Neall were John Akerman, a Republican, and former mayor Edwin M. Capps, a Democrat.

Also contesting the race were Andrew Swanson, a Socialist, and Robert McNair, an independent.

[3] On March 23, 1915, Akerman received the highest number of votes in the primary election, followed by Capps.

[1] On April 6, 1915, Capps received a majority of more than two thousand votes more than Akerman in the runoff and was elected mayor for a second, non-consecutive term.