| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 3681 | Smyth | English | Tradesman. | M | |
| 3682 | Smythe | English | Tradesman. | M | |
| 3683 | Snowden | English | From the snowy hill. | M | |
| 3684 | Somerset | English | From the summer settlers. | M | |
| 3685 | Somerton | English | From the summer estate. | M | |
| 3686 | Sonnie | English | Son. A nickname and given name. | M | |
| 3687 | Sonny | English | Son. A nickname and given name. | M | |
| 3688 | Southwell | English | From the south spring. | M | |
| 3689 | Spalding | English | From the split meadow. | M | |
| 3690 | Spark | English | Gallant. | M | |
| 3691 | Sparke | English | Gallant. | M | |
| 3692 | Spear | English | Spear. | M | |
| 3693 | Sped | English | Success. | M | |
| 3694 | Speed | English | Success. | M | |
| 3695 | Spelding | English | From the split meadow. | M | |
| 3696 | Spence | English | Dispenser; provider. | M | |
| 3697 | Spencer | English | Keeper of provisions. Famous Bearer: actor Spencer Tracy (1900-1967). | M | |
| 3698 | Spenser | English | Dispenser; provider. | M | |
| 3699 | Spere | English | Spear. | M | |
| 3700 | Sproul | English | Active. | M | |