| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 521 | Roweson | Anglo-Saxon | Rowe's son. | M | |
| 522 | Rowson | Anglo-Saxon | Rowe's son. | M | |
| 523 | Ruadson | Anglo-Saxon | Rowe's son. | M | |
| 524 | Russell | Anglo-Saxon | Fox. | M | |
| 525 | Ryce | Anglo-Saxon | Powerful. | M | |
| 526 | Rypan | Anglo-Saxon | Plunders. | M | |
| 527 | Sar | Anglo-Saxon | Pain. | M | |
| 528 | Sarlic | Anglo-Saxon | Pain. | M | |
| 529 | Scand | Anglo-Saxon | Disgrace. | M | |
| 530 | Scead | Anglo-Saxon | Shade. | M | |
| 531 | Sceadu | Anglo-Saxon | Shade. | M | |
| 532 | Sceotend | Anglo-Saxon | Archer. | M | |
| 533 | Scowyrhta | Anglo-Saxon | Shoemaker. | M | |
| 534 | Scrydan | Anglo-Saxon | Clothes. | M | |
| 535 | Scur | Anglo-Saxon | Storm. | M | |
| 536 | Seamere | Anglo-Saxon | Tailor. | M | |
| 537 | Seaton | Anglo-Saxon | From Sai's estate. | M | |
| 538 | Seaver | Anglo-Saxon | Fierce stronghold. | M | |
| 539 | Selwin | Anglo-Saxon | Friend at court. | M | |
| 540 | Selwyn | Anglo-Saxon | Friend at court. | M | |