| Category | Sub-Categories | Boards |
| Mining | 2 | 7 |
| Sharecropping | 0 | 1 |
| Transportation | 0 | 31 |
| Board | Threads | Messages | Last Post |
| Apothecaries | 2 | 2 | 24 Apr 2004 |
| Arkansas Railroads | 35 | 58 | 10 Oct 2008 |
| Arkansas Sawmills | 52 | 99 | 12 May 2009 |
| Brewery Workers | 12 | 20 | 13 Sep 2009 |
| Brick Manufacturers | 18 | 36 | 9 Sep 2009 |
| British Mariners | 133 | 305 | 21 Nov 2009 |
| Buffalo Hunters | 5 | 6 | 20 Jul 2009 |
| Cherokee Strip Live Stock Association | 6 | 6 | 18 Nov 2009 |
| Circus | 416 | 1028 | 21 Nov 2009 |
| Clergymen | 0 | 0 | 26 Aug 2009 |
| Coastguard, Revenue Service in UK and Ireland | 49 | 120 | 1 Nov 2009 |
| Dentists | 35 | 42 | 27 Aug 2008 |
| Genealogy Certification | 4 | 8 | 14 Sep 2006 |
| Georgia sawmills | 3 | 3 | 21 Nov 2006 |
| Glass & Crystal Makers | 65 | 255 | 6 Nov 2009 |
| Goldseekers | 18 | 39 | 8 Aug 2007 |
| Great Lakes Mariners | 2 | 8 | 26 May 2007 |
| Harness Makers | 10 | 19 | 17 Aug 2009 |
| IL Canal | 3 | 14 | 20 Nov 2008 |
| New York City Firefighters | 1 | 1 | 20 Oct 2009 |
| New York City Police | 29 | 89 | 15 Sep 2009 |
| Ohio Railroads | 50 | 88 | 10 Nov 2009 |
| Pennsylvania Iron and Steel | 60 | 173 | 30 Sep 2009 |
| Photographers in Indiana | 16 | 53 | 31 Mar 2009 |
| Pony Express Riders | 29 | 74 | 15 Jul 2009 |
| Railroad Workers | 703 | 1171 | 25 Nov 2009 6:56PM GMT |
| Rodeos and Wild West shows | 16 | 49 | 14 Oct 2009 |
| Royal Canadian Mounted Police | 0 | 0 | 25 Nov 2009 5:19PM GMT |
| Seafarers of New England | 149 | 239 | 20 Aug 2009 |
| Seafarers of Nova Scotia | 251 | 435 | 9 Oct 2009 |
| Shoemakers | 48 | 137 | 24 Oct 2009 |
| South Carolina Artisans & Mechanics | 1 | 1 | 28 Feb 2009 |
| Stonemasons | 6 | 17 | 21 Jun 2009 |
| Teachers | 11 | 13 | 8 May 2009 |
| Texas Rangers (Lawmen) | 84 | 184 | 20 Oct 2009 |
| Theater | 168 | 361 | 20 Nov 2009 |
| U.S. Marshals | 48 | 115 | 19 Jul 2009 |
| U.S. Postmasters | 35 | 64 | 6 Dec 2007 |
| United Kingdom Police | 18 | 49 | 23 Jul 2009 |
| Veterinary | 3 | 11 | 23 Jul 2008 |
| Violin Makers | 27 | 53 | 11 Aug 2009 |
| Watch and Clock Makers | 1 | 2 | 6 Jan 2009 |
| Woodworkers | 13 | 27 | 8 Sep 2009 |
| Occupations (General) | 696 | 1807 | 25 Nov 2009 4:13AM GMT |
| watch makers | 0 | 0 | 1 Sep 2009 |