| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 3801 | Suthclif | English | From the south cliff. | M | |
| 3802 | Suthfeld | English | From the south field. | M | |
| 3803 | Suthleah | English | From the south meadow. | M | |
| 3804 | Suthley | English | From the south meadow. | M | |
| 3805 | Suttecliff | English | From the south cliff. | M | |
| 3806 | Sutton | English | From the south farm. | M | |
| 3807 | Suzanna | English | Lily. In the apocryphal Book of Tobit Susannah courageously defended herself against wrongful accusation. | M | |
| 3808 | Swain | English | Knight's attendant. | M | |
| 3809 | Swayn | English | Knight's attendant. | M | |
| 3810 | Swinton | English | From the swine farm. | M | |
| 3811 | Swintun | English | From the swine farm. | M | |
| 3812 | Swithin | English | Strong. St. Swithin was the Bishop of Winchester in the 9th century. The weather on St. Swithin's day is traditionally expected to remain the same for the following forty days. | M | |
| 3813 | Syd | English | Diminutive of Sidney: Wide Island: south of the water; 'from St. Denis'. | M | |
| 3814 | Sydney | English | Variant of Sidney: Wide Island: south of the water; from Sidon. | M | |
| 3815 | Sylvester | English | See Silvester. | M | |
| 3816 | Symington | English | From Simon's estate. | M | |
| 3817 | Symon | English | Variant of Simon meaning 'hear; listen.'. | M | |
| 3818 | Symontun | English | From Simon's estate. | M | |
| 3819 | Tab | English | Drummer. Abbreviation of Tabor. The biblical Mt. Tabor is a landmark mountain near Nazareth. | M | |
| 3820 | Tad | English | Abbreviation of Thaddeus who was one of Christ's 12 apostles. | M | |