- & Halpern Koss
- Abraham Koss
- Alex Koss
- Avery Daniel Koss
- Beile Koss
- Benjamin Vincent Koss
- Bessie Koss
- Daniel Koss
- Dora Koss
- Doris Koss
- Edith Koss
- Esther Koss
- Faye J Koss
- Gertrude Koss
- Harry Koss
- Helen S. Koss
- Herman L. Koss
- Hyman Koss
- Ida Koss
- Ivan Jay Koss
- Jacob Koss
- Jacob & (Mrs.) Koss
- James NeIllinoisHorvitz Koss
- Jennie Koss
- Joseph Koss
- Leah Koss
- Lena Koss
- Leonar Koss
- Linda Koss
- Lottie Koss
- Louis Koss
- Martha Koss
- Mary Koss
- Max Koss
- Max & (Mrs.) Koss
- Mildred Koss
- Miriam Koss
- Mollie Koss
- Morris David Koss
- Morris L. Koss
- Morris R. (Mrs.) Koss
- Nettie Koss
- Peter Koss
- Pincus Koss
- Rebecca Rachel Koss
- Ruth Koss
- Samuel Koss
- Saul M Koss
- Shoe Co Inc. Koss
- Sid Koss
- Stanley Koss
- Susan Koss
- Sylvia Koss
- William Koss