A Gordon Family from Kirkcudbrightshire, Scotland & the Durrenberger Family of Württemberg, Germany
- Symonds
- Eileen (4 May 1902 - 3 May 1982)
- Syre (Cyr)
- Sziller
- Anna C. (12 Nov 1912 - 17 Mar 1994)
- Szydel
- Tabbert
- Tait
- Talbot
- Tallant
- Tallman
- Tanquay
- Tapp
- Tapscott
- Tarbett
- Tarragon
- Tarrant
- Taylor
- Tchida
- Teal
- Teblier
- Tedford
- Tee
- Templeton
- Terrien
- Terry
- Terus
- Tesch
- Tessandier
- Tessier
- Tetard
- Tétreau
- Tétreau-DuCharme
- Joseph (abt 1678 - 6 Mar 1762)
- Louis (abt 1635 - 22 Jun 1699)
- Tétro (Tetreault)
- Thacker
- Tharalson
- Thériot
- Therrien
- They or Darling
- Thibault
- Thibierge
- Thibodeau
- Thiel
- Thieman (Dehme) (Westphal)
- Thiesse
- Thiffault
- Thilgen
- Thill
- Thillen
- Thom
- Thoma
- Thomas
- Thompson
- Thomson
- Thomson Woodward
- Thorburn
- Thornburn
- Thornhill
- Thuet
- Thurston
- Tiegs
- Tiffaut
- Tikkanen
- Tiller
- Tilton
- Tingle
- Tinsley
- Tisdell
- Tkachuck
- Tlustos
- Tobin
- Tobinski
- Todd
- Tolle
- Tollefson
- Tolme
- Toner
- Tonsager
- Topham
- Topping
- Torgerson
- Torpey
- Touchette
- Tougas
- Tougat
- Tourault (Toureau)
- Tourneroche
- Tournois
- Tower
- Tracy