| 1. | Tarver | | | Researching the name and associated lineages. Principal allied families include Cockerham, Welch, Lee, Rogers, Matthews, Reeves, Cirilo and Alfrido. www.tarver-genealogy.net |
| 2. | Titterington | | | Registered with the Guild of One Name Studies. Includes variants Titherington, Titherington, Tidderington, Tittrington Tetterington and Tytterington. website.lineone.net |
| 3. | Teskey | | | Researching the name and its application since Jacob Teskey migrated to Ireland from the Palatine of the Rhine in 1709. Includes newsletter, photographs and variant Teske. www.teskey.org |
| 4. | Trehy Forum | | | Uniting family members worldwide, includes variants. www.trehyforum.com |
| 6. | Turk | | | One name study aiming to consolidate research and preserve the history of the name and asociated pedigrees worldwide. Features 411 variants, heraldry, database, link to Mailing List and DNA project. www.turkgenealogy.com |
| 7. | Tarno and Tarnow | | | Research and resources pertaining to the name and variants irrespective of location. Features mailing list and message boards. freepages.genealogy.rootsweb.com |
| 8. | Titherly | | | Name origins including variants Tetherley, Tytherley and Tytherleigh. www.titherly.com |
| 9. | Teague | | | Family resource centre preserving the heritage of the name and its application. Includes variants Tague, Tigue, Teage, Tyack(e), Teg(g), MacTeague, MacTague, MacTigue and O'Teague. www.teagueonline.freeserve.co.uk |
| 10. | Tilby | | | Information and one-name study database (World Connect) maintained by Ron Tilby. members.aol.com |
| 11. | Teasdale | | | Researching the name and its application worldwide. Newsletter format including variants Teesdale, Tisdall, Tesdal, Tisdale and Teasdal. www.teasdale47.freeserve.co.uk |
| 12. | Tognola | | | Clearing-house for anything related to the name and various lineages. www.tognola.net |
| 13. | Thrale | | | Anything and everything Thrale or Thrall. Includes variants Thralls, Thral, Trayle and Thrawl. www.thrale.com |
| 14. | Thurman | | | Resource and research repository, including combined database and information on the family DNA project. freepages.genealogy.rootsweb.com |
| 15. | Tyldesley Family History | | | One-name study featuring details of over 3,000 members of the family, past and present, worldwide. www.tyldesley.co.uk |
| 16. | Turkel Tribe | | | Encouraging communication and research amongst family members. Includes variants Turkl, Terkl, Turkle, Tirkel, Tuerkel, Tierkel and Tyrkel. geocities.com |
| 17. | Tankersley History | | | Historical overview of the family name including associated information. www.geocities.com |
| 18. | Thundercliffe Family History | | | Gathering and sharing information on the name including origins and application in the UK and worldwide. www.anders98.freeserve.co.uk |
| 19. | Tittensor: One-Name Study | | | Research and resources compiled by Eileen and Paul Tittensor. Includes information on Tittensor village, Staffordshire, England. www.ftittensor.freeserve.co.uk |
| 20. | Treadwell / Tredwell Family History | | | Collecting information and links pertaining to the various lineages worldwide. Includes family portraits, profiles, maps and missing links. home.att.net |
| 21. | Trenbath | | | Research hub maintained by Sheila R Weston, registered with the Guild of One-Name Studies. freepages.genealogy.rootsweb.com |
| 22. | Trimarchi | | | Research hub uniting family members worldwide. Site also available in Italian and Spanish. www.trimarchi.com |
| 23. | Timbrell | | | Research pertaining to multi national lineages, either direct or non-related. Includes history, database and gedcoms. www.timbrell.me.uk |
| 24. | Tyzack | | | Worldwide descendants of glassmakers who resided in Lorraine pre 1400s. Features resource hub including name origins, history, Will extracts, parish registers and downloadable data files. homepages.tesco.net |
| 25. | Turteltaub Family | | | Various pedigrees including variants Turkeltaub, Turtletaub, Turtledove and Turell. www.servioficina.com |
| 26. | Titterton | | | Research and resources presented by John and Rita Titterton. Registered with the Guild of One Name Studies. basic1.easily.co.uk |
| 27. | Throckmorton | | | Features history, locations, famous ancestors, portraits, politicians, current family accomplishments, reunions and photographs as compiled by Caroline Elizabeth Throckmorton Toepfer Lewin. sites.flexiblehost.com |
| 28. | Tarling | | | Volunteers aiming to collect, collate and distribute details pertaining to the family history, old and new, including all variants. www.vino.demon.co.uk |
| 29. | Tassé | | | Uniting family members through the collaboration of research and the documentation of lineages. www.tasses.ca |
| 31. | Tuddenham Home | | | Building a global pedigree including access to BMD indexes, origins and history, statistics and various lineages. www.tuddenham.org |
| 32. | Taliaferro Times Newsletter | | | Archived issues originally published between 1996 and 1998. Features historical data, research queries and information pertaining to the name and Toliver variant. www.spingola.com |
| 33. | Tinneny Family History Site | | | Sharing family history, photographs and information re the Tinnenys and Tinneny descendants worldwide. homepage.ntlworld.com |
| 34. | Tylcoat Tylecote Talcott | | | Worldwide indexes except America, although some American lineages are included, mainly from the first three generations post 1632. Also features interconnecting families and variants. www.btinternet.com |
| 35. | Towersey | | | Worldwide research investigating the possibility of a common ancestor. freepages.genealogy.rootsweb.com |
| 36. | Tullis Trees: A Family History Newsletter | | | is a quarterly newsletter available free online which is devoted to the Tullis surname. Publishing began in 2002. Includes articles, photos, obituaries, Family Bible records, and queries. www.tullistrees.org |
| 37. | Tone Family | | | Uniting lineages worldwide. Includes historical information, publications and family list. tonefamily.com |
| 38. | Tabor: The Southern Journey | | | A Central Repository of research data for the Tabor surname (and all spelling variations) in 16 Southern States covering over 200 years freepages.family.rootsweb.com |
| 39. | Tall Trees Family History | | | Family History for the beginners. Useful links and help for someone starting out in Genealogy, especially in Australia www.westnet.com.au |
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