October 26, 1855, Plymouth, England.
June 4, 1929, Brookline, Massachusetts.
Jeffery (sometimes misspelled as Jeffrey) began playing the organ at St. Anne’s Cathedral in Plymouth at age 14, taking over his father’s position. He emigrated to America in 1876 and settled in Albany, New York. He developed a chorus and directed the music at St. Agnes School, and played the organ at the Protestant Episcopal Cathedral. He left for Yonkers, New York, in 1893, and served at the First Presbyterian Church. Later, he taught music at the New England Conservatory.