| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 5941 | Suthclif | English | From the south cliff. | M | |
| 5942 | Suthfeld | English | From the south field. | M | |
| 5943 | Suthleah | English | From the south meadow. | M | |
| 5944 | Suthley | English | From the south meadow. | M | |
| 5945 | Suttecliff | English | From the south cliff. | M | |
| 5946 | Sutton | English | From the south farm. | M | |
| 5947 | Suzanna | English | Lily. Variant of Hebrew Susannah. White lilies grew in the Biblical city of Susa in Persia. | F | |
| 5948 | Suzanna | English | Lily. In the apocryphal Book of Tobit Susannah courageously defended herself against wrongful accusation. | M | |
| 5949 | Suzy | English | Lily. Variant of Hebrew Susannah. White lilies grew in the Biblical city of Susa in Persia. | F | |
| 5950 | Swain | English | Knight's attendant. | M | |
| 5951 | Swayn | English | Knight's attendant. | M | |
| 5952 | Swinton | English | From the swine farm. | M | |
| 5953 | Swintun | English | From the swine farm. | M | |
| 5954 | 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 | |
| 5955 | Syd | English | Diminutive of Sidney: Wide Island: south of the water; 'from St. Denis'. | M | |
| 5956 | Sydney | English | From St. Denis. | F | |
| 5957 | Sydney | English | Variant of Sidney: Wide Island: south of the water; from Sidon. | M | |
| 5958 | Sylvana | English | Variant of Latin Sylvia, meaning from the forest. | F | |
| 5959 | Sylvester | English | See Silvester. | M | |
| 5960 | Sylvie | English | Variant of Latin Sylvia, meaning from the forest. | F | |