| Category | Sub-Categories | Boards |
| African American | 1 | 35 |
| Celtic | 2 | 0 |
| Jewish | 0 | 6 |
| Language | 0 | 7 |
| Melungeon | 0 | 1 |
| Native American | 3 | 2 |
| Board | Threads | Messages | Last Post |
| Acadian-Cajun | 821 | 2400 | 22 May 2012 |
| Ainu of Japan | 3 | 3 | 8 Mar 2008 |
| Arab American | 5 | 13 | 15 Feb 2012 |
| Arberesh | 4 | 7 | 27 Sep 2011 |
| Assyrian | 4 | 16 | 14 May 2012 |
| Bahamian | 3 | 3 | 1 Jul 2011 |
| Baltic German | 8 | 12 | 23 Mar 2008 |
| Basques in Pennsylvania | 1 | 3 | 10 May 2012 |
| Bohemians | 61 | 96 | 21 May 2012 |
| Bohemians in Illinois | 47 | 69 | 26 Feb 2012 |
| Bohemians in Minnesota | 19 | 56 | 23 Feb 2012 |
| Chinese | 12 | 32 | 18 Feb 2011 |
| Cornish in California | 6 | 9 | 25 Apr 2011 |
| Cross-Race | 43 | 87 | 15 May 2012 |
| Czech | 344 | 536 | 23 May 2012 3:12AM GMT |
| Czechs in Illinois | 47 | 89 | 29 Feb 2012 |
| Czechs in Iowa | 10 | 32 | 13 Feb 2012 |
| Czechs in Minnesota | 13 | 28 | 26 Jan 2010 |
| Czechs in Nebraska | 111 | 180 | 4 Jan 2012 |
| Czechs in Wisconsin | 18 | 26 | 7 Mar 2012 |
| Danish-Americans in Iowa | 15 | 57 | 25 Feb 2012 |
| Danube-Swabian German | 29 | 104 | 17 Dec 2011 |
| Dutch in Delaware | 1 | 2 | 14 Dec 2002 |
| Dutch in New York | 31 | 82 | 26 Mar 2012 |
| Filipino | 1 | 1 | 27 Feb 2012 |
| French in Louisiana | 27 | 43 | 10 May 2012 |
| German | 240 | 560 | 1 Apr 2012 |
| Germans in Illinois | 20 | 44 | 18 Nov 2011 |
| Germans in Indiana | 4 | 9 | 16 May 2009 |
| Germans in Iowa | 13 | 28 | 26 Sep 2010 |
| Germans in Louisiana | 10 | 22 | 14 Aug 2011 |
| Germans in Minnesota | 7 | 10 | 27 Apr 2010 |
| Germans in Nebraska | 61 | 75 | 3 Feb 2010 |
| Germans in Ohio | 21 | 48 | 4 Apr 2012 |
| Germans in Wisconsin | 66 | 121 | 19 May 2012 |
| Gypsy | 252 | 878 | 21 May 2012 |
| Hispanic | 8 | 20 | 15 May 2012 |
| Indigenous Australians | 1 | 2 | 17 Jan 2012 |
| Irish | 55 | 110 | 30 Nov 2011 |
| Irish in Massachusetts | 0 | 0 | 19 Nov 2007 |
| Irish in Michigan | 57 | 122 | 17 Feb 2012 |
| Irish in Nebraska | 3 | 6 | 6 Feb 2008 |
| Irish in New York | 71 | 133 | 27 Mar 2012 |
| Irish in Pennsylvania | 26 | 34 | 25 Jun 2010 |
| Italians | 39 | 88 | 18 Feb 2012 |
| Italians In Pennsylvania | 16 | 47 | 10 May 2012 |
| Japanese | 2 | 8 | 28 Mar 2007 |
| Jewish Holocaust Research | 2 | 5 | 14 Mar 2012 |
| Lebanese | 4 | 11 | 6 Jan 2012 |
| Lithuanian | 105 | 420 | 23 May 2012 6:08PM GMT |
| Lithuanians in Illinois | 33 | 165 | 18 Apr 2012 |
| Maori | 8 | 15 | 19 May 2012 |
| Metis/First Nations | 0 | 0 | 8 Mar 2012 |
| Mexican-Americans of the South West | 86 | 176 | 18 May 2012 |
| Norwegians in Illinois | 8 | 24 | 14 Dec 2011 |
| Norwegians in Texas | 1 | 2 | 25 Jul 2004 |
| Pennsylvania Dutch | 2525 | 8384 | 22 May 2012 5:42PM GMT |
| Polish in Illinois | 27 | 47 | 21 Sep 2011 |
| Polish in Nebraska | 4 | 26 | 30 Sep 2011 |
| Polish-Americans in Pennsylvania | 92 | 365 | 16 Mar 2012 |
| Scots | 2 | 5 | 23 Oct 2004 |
| Scots in Mississippi | 1 | 2 | 22 Apr 2011 |
| Scots-Irish | 4 | 19 | 20 Feb 2012 |
| Slovak Roots | 130 | 530 | 13 May 2012 |
| Spanish in California | 35 | 122 | 8 Jan 2012 |
| Spanish in Louisiana | 17 | 35 | 3 Jan 2011 |
| Swedish in Nebraska | 23 | 44 | 16 Jun 2011 |
| Wendish | 2 | 6 | 10 Dec 2011 |