Ng Marriage Records: Groom Firstnames
- Si (1)
- Siew (2)
- Siew Cheen (1)
- Siew Hoong (1)
- Sik Keung (1)
- Silvio (1)
- Simon (9)
- Sing (5)
- Sing Chuan (2)
- Sing Leung (2)
- Sio Wei (2)
- Siu (1)
- Siu Chee Or C (1)
- Siu Chuen (1)
- Siu Hong (1)
- Siu Kin (1)
- Siu Li (1)
- Siu Man (2)
- Siu Ming (1)
- Siu Ngai (1)
- Siu Pun (1)
- Siu-Kei (1)
- Smon (2)
- Sok Bong (1)