Tip: To quickly navigate to a surname board, enter the surname in the "Find a Board" search above.
| Board | Threads | Messages | Last Post |
| Jeffer | 1 | 1 | 5 Jun 2001 |
| Jefferbrock | 1 | 3 | 5 Nov 2006 |
| Jefferds | 5 | 12 | 30 May 2014 |
| Jefferies | 169 | 456 | 3 May 2015 |
| Jefferis | 41 | 154 | 19 Jan 2015 |
| Jefferiss | 0 | 0 | |
| Jeffers | 402 | 1488 | 14 Jun 2015 |
| Jefferson | 408 | 918 | 15 Jul 2015 |
| Jeffery | 294 | 900 | 9 Apr 2015 |
| Jefferys | 24 | 65 | 17 Jul 2015 |