| Category | Sub-Categories | Boards |
| African American | 1 | 36 |
| Celtic | 2 | 0 |
| Jewish | 0 | 6 |
| Language | 0 | 7 |
| Melungeon | 0 | 1 |
| Native American | 3 | 4 |
| Board | Threads | Messages | Last Post |
| Acadian-Cajun | 837 | 2486 | 3 Jul 2015 |
| Ainu of Japan | 3 | 3 | 8 Mar 2008 |
| Arab American | 6 | 15 | 4 Sep 2014 |
| Arberesh | 4 | 8 | 13 Jan 2015 |
| Assyrian | 7 | 20 | 19 Jun 2014 |
| Bahamian | 4 | 5 | 4 Jul 2014 |
| Baltic German | 9 | 13 | 9 Aug 2013 |
| Basques in Pennsylvania | 1 | 3 | 10 May 2012 |
| Bohemians | 64 | 105 | 3 Nov 2014 |
| Bohemians in Illinois | 49 | 75 | 16 Apr 2015 |
| Bohemians in Minnesota | 20 | 63 | 27 May 2015 |
| Chinese | 14 | 38 | 23 May 2015 |
| Cornish in California | 6 | 9 | 25 Apr 2011 |
| Creole | 1 | 2 | 14 Apr 2015 |
| Cross-Race | 47 | 103 | 1 Mar 2015 |
| Czech | 255 | 471 | 18 Jun 2015 |
| Czechs in Illinois | 47 | 94 | 22 Mar 2015 |
| Czechs in Iowa | 10 | 36 | 16 Nov 2014 |
| Czechs in Minnesota | 14 | 30 | 26 Dec 2013 |
| Czechs in Nebraska | 115 | 198 | 27 Dec 2013 |
| Czechs in Oklahoma | 0 | 0 | 12 Jul 2013 |
| Czechs in Wisconsin | 19 | 36 | 14 Jan 2015 |
| Danish-Americans in Iowa | 17 | 63 | 11 Feb 2015 |
| Danube-Swabian German | 29 | 107 | 26 Jul 2014 |
| Dutch in Delaware | 1 | 2 | 14 Dec 2002 |
| Dutch in New York | 35 | 85 | 6 Mar 2015 |
| Filipino | 1 | 1 | 27 Feb 2012 |
| French in Louisiana | 24 | 43 | 12 Feb 2013 |
| German | 241 | 575 | 10 Apr 2015 |
| Germans in Illinois | 20 | 44 | 18 Nov 2011 |
| Germans in Indiana | 4 | 10 | 13 Jul 2013 |
| Germans in Iowa | 13 | 29 | 8 Feb 2014 |
| Germans in Louisiana | 10 | 22 | 14 Aug 2011 |
| Germans in Minnesota | 7 | 10 | 27 Apr 2010 |
| Germans in Nebraska | 62 | 78 | 8 Mar 2014 |
| Germans in Ohio | 21 | 49 | 15 Nov 2013 |
| Germans in Wisconsin | 67 | 125 | 29 Jan 2015 |
| Gypsy | 311 | 1161 | 25 Jul 2015 |
| Hispanic | 9 | 21 | 26 Aug 2013 |
| Indigenous Australians | 3 | 7 | 25 Jun 2015 |
| Irish | 56 | 112 | 16 Mar 2015 |
| Irish in Massachusetts | 0 | 0 | 19 Nov 2007 |
| Irish in Michigan | 57 | 126 | 5 Dec 2013 |
| Irish in Nebraska | 4 | 13 | 1 Sep 2012 |
| Irish in New York | 73 | 137 | 28 Sep 2013 |
| Irish in Pennsylvania | 27 | 41 | 28 May 2014 |
| Italians | 41 | 103 | 18 Jun 2014 |
| Italians In Pennsylvania | 19 | 50 | 9 Apr 2015 |
| Jamaican | 1 | 1 | 7 Jun 2012 |
| Japanese | 4 | 12 | 29 Mar 2015 |
| Jewish Holocaust Research | 2 | 4 | 13 Nov 2014 |
| Lebanese | 6 | 14 | 30 Aug 2014 |
| Lithuanian | 132 | 565 | 26 Jul 2015 |
| Lithuanians in Illinois | 43 | 200 | 21 Jul 2015 |
| Maori | 9 | 18 | 31 Aug 2012 |
| Metis/First Nations | 7 | 10 | 6 Jun 2015 |
| Mexican-Americans of the South West | 88 | 182 | 9 Jul 2015 |
| Norwegians in Illinois | 8 | 24 | 14 Dec 2011 |
| Norwegians in Texas | 1 | 2 | 25 Jul 2004 |
| Pennsylvania Dutch | 2539 | 8539 | 28 Jul 2015 |
| Polish in Illinois | 29 | 49 | 10 Jul 2013 |
| Polish in Nebraska | 4 | 31 | 13 Jul 2014 |
| Polish-Americans in Pennsylvania | 95 | 375 | 26 Sep 2014 |
| Scots | 2 | 6 | 28 Mar 2015 |
| Scots in Mississippi | 1 | 3 | 1 Jan 2013 |
| Scots-Irish | 4 | 21 | 29 Jan 2014 |
| Slovak Roots | 147 | 656 | 9 Jul 2015 |
| Spanish in California | 38 | 135 | 17 Aug 2014 |
| Spanish in Louisiana | 17 | 36 | 24 Feb 2015 |
| Swedish in Nebraska | 25 | 49 | 7 Mar 2013 |
| Wendish | 2 | 10 | 29 Jul 2013 |