| Name | M/F | Meaning |
|---|---|---|
| Siacas | ![]() |
Meaning : Supplanter Used in : Irish |
| Siadhal | ![]() |
Meaning : In irish meaning is : Sloth Used in : Celtic, Irish |
| Siaghal | ![]() |
Meaning : In irish meaning is : Sloth Used in : Celtic, Irish |
| Siaibhin | ![]() |
Meaning : Mountain. Used in : Gaelic |
| Siamak | ![]() |
Meaning : In Farsi meaning is : Black-haired man Used in : Australian, Persian, Iranian, Parsi |
| Siamak(or shiamak) | ![]() |
Meaning : Silver Flame Used in : Hindu |
| Siarl | ![]() |
Meaning : Welsh Form Of Charles 'manly'. Used in : Welsh |
| Siavash | ![]() |
Meaning : In parsi meaning is : A character in Shahnameh Used in : Australian, Persian, Iranian, Parsi, Afghan |
| Siavosh | ![]() |
Meaning : In parsi meaning is : A character in Shahnameh Used in : Australian, Persian, Iranian, Parsi |
| Siawn | ![]() |
Meaning : Legendary Son Of Iaen. Used in : Welsh |