--- 
- sibyl: 
    gender: female
- sid: 
    gender: male
- sidney: 
    gender: unisex
- sierra: 
    gender: female
- signe: 
    gender: female
- sigrid: 
    gender: female
- silas: 
    gender: male
- silva: 
    gender: female
- silvana: 
    gender: female
- silvia: 
    gender: female
- sima: 
    gender: female
- simon: 
    gender: male
- simona: 
    gender: female
- simone: 
    gender: female
- simonne: 
    gender: female
- sina: 
    gender: female
- sindy: 
    gender: female
- siobhan: 
    gender: female
- sirena: 
    gender: female
- siu: 
    gender: female
- sixta: 
    gender: female