| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 601 | Scott | Scottish | Scottish; wanderer. | M | |
| 602 | Scottie | Scottish | From Scotland; a Gael. Diminutive of Scott. | M | |
| 603 | Scotty | Scottish | From Scotland; a Gael. Diminutive of Scott. | M | |
| 604 | Shaw | Scottish | Terse. | M | |
| 605 | Shawe | Scottish | Terse. | M | |
| 606 | Sheiling | Scottish | From the summer pasture. | M | |
| 607 | Sholto | Scottish | Sower. | M | |
| 608 | Sim | Scottish | Listener. | M | |
| 609 | Sinclair | Scottish | Bright; clear. From Saint Clair sur Elle. Famous Bearer: writer Sinclair Lewis (1885-1951). | M | |
| 610 | Skene | Scottish | From Skene. | M | |
| 611 | Sloan | Scottish | Fighter; warrior. Surname. | M | |
| 612 | Stew | Scottish | Diminutive of Stuart: Steward. | M | |
| 613 | Stewart | Scottish | Steward. A medieval steward was charged with the care of castle and estate affairs. Also a variant of Stuart (the royal house of Scotland from the 14th to the 18th century). Surname. | M | |
| 614 | Stirling | Scottish | Scottish place name and surname. Famous Bearer: race car driver Stirling Moss. | M | |
| 615 | Struan | Scottish | Stream. | M | |
| 616 | Stu | Scottish | Diminutive of Stuart: Steward. | M | |
| 617 | Stuart | Scottish | Steward. Stuart and Stewart are clan names of the royal house of Scotland; Stuart is the family name of many kings of England. Surname. | M | |
| 618 | Sutherland | Scottish | From Sutherland. | M | |
| 619 | Taffy | Scottish | Diminutive of David: Beloved or friend, adopted from the Hebrew. David was a common name of Scottish kings in the Middle Ages. | M | |
| 620 | Tamnais | Scottish | Twin. | M | |