According to the Internet source given below, Fillmore Wellington [Phil] Ohman was born in New Britain, Connecticut of Swedish ancestry. He studied music locally with Edward Laubin for four years, then an additional two years with a local pipe organ master Alexander Russell focusing on harmony and theory. He is chiefly remembered as partnering Lewis John Fuiks aka. Victor Arden enjoying much success on Broadway as well as writing film scores. Of ragtime interest is his Try and Play It (A Syncopated Classique -1922).
He died in Hollywood.