- Oestreicher Nic
- Oestreicher René 07/06/1921
- Oestreicher René 09/06/1921
- Oettinger Henri Robert 14/04/1922
- Offenmann Bälly
- Offermann Batty Jean Baptiste 09/10/1920
- Offermann Victor, Johann
- Ohly Jean Pierre 28/06/1922
- Olinger Albert 08/03/1923
- Olinger Albert 08/04/1925