Name
- Idle, Frank1
- Incorporated Society of Musicians1
- Ivanov, Nikolay, singer1
- Jackson, Pixley & Co, chartered accountants, auditors1
- Jacques, Edgar Frederick, music critic and lecturer1
- Jaeger, August Johannes, editor and writer on music1
- James, Edwin Frederick, bassoon player1
- James, Frank G, trumpet player1
- Jarrett, Henry Charles, horn player1
- Jarrett, Henry, bass player and music agent1
- Jaëll, Alfred, pianist1
- Jaëll, Marie, née Trautmann pianist and composer wife of Alfred1
- Jewson, Frederick Bowen, pianist and composer1
- Jewson, Jane, née Anderson pianist1
- Kellogg, Clara Louise, singer and impresario, 1842-19161
- Kubelik, Jan, musician1
- Lucas, Stanley, Sec Philharmonic Society1
- Maggs, Dorothy, pianist1
- Platt, Henry, horn player1
- Rosenthal, Moriz, pianist1