Fillmore, John Comfort was born on February 4, 1843 in near Franklin, Connecticut, United States. Son of John L. and Mary Ann (Palmer) Fillmore.
Graduate Oberlin College, 1865. Studied music under Moritz Hauptmann, Ernst Richter, Benjamin Papperitz, Leipzig, Germany.
Instructor instrumental music Oberlin (O.) College, 1867-1868. Professor music Ripon (Wisconsin) College, 1868-1878, Milwaukee College for Women, 1878, Pomona College, Claremont, California, 1895-1898. Founder, director Milwaukee Music School, 1884-1895.
Author: Pianoforte Music: Its History, with Biographical Sketches … of Its Greatest Masters, 1883. New Lessons in Harmony, 1887. Lessons in Musical History, 1888.