Taki (Danish): “Receiver, surety, guarantor,” from Old Danish root taka (to take).
Tancred (Norman), Tankard (English): Derived from an Ancient Germanic name meaning “thought and counsel,” from roots thank (thought) and râd (counsel).
Tasufin (Moorish Arabic)
Tedaldo, Teodaldo (Italian): Derived from Ancient Germanic name Theudewald, with Ancient Germanic root þeuþ (people) and Gothic valdan (to reign). This is the name of a Decameron character.
Tedrick (English): Derived from Ancient Germanic name Theodoric (ruler of the people), from roots theud (people) and ric (power, ruler).
Temüjin (Mongolian): “Of iron,” from Turkic root temür (iron). This was Genghis Khan’s original name.
Temür (Turkic): “Iron.”
Terkel (Danish): Derived from Old Norse name Þórketill (Thor’s cauldron), from roots Þórr (Thor; thunder) and ketill (cauldron). This is also the modern Danish form. The modern Swedish and Norwegian form is Torkel.
Theodred (English): Derived from Anglo–Saxon roots þeod (people) and ræd (counsel).
Thorbern, Thorbiorn (Swedish, Danish): Derived from Ancient Scandinavian name Þórbiǫrn (thunder bear; Thor’s bear), from roots Þórr and bjǫrn.
Thorfinn (Scandinavian): Derived from Old Norse name Þórfinnr, with roots Þórr and Finnr (Laplander, Sami). I’m planning a future post devoted to the many names derived from Thor! There are far too many to cover here.
Tikhomir (Slavic): “Quiet peace” and “quiet world,” from roots tikhu (quiet) and miru (world, peace). The modern form is Tihomir (Macedonian, Bulgarian, Serbian, and Croatian).
Toghon (Mongolian): “Pot.”
Trudbert (German): “Bright strength,” from roots thrud (strength) and bert (bright).
Tulir (Danish): Nickname for Old Norse name Þórlæifr (Thor’s descendant; thunder’s descendant). Its roots are Þórr and leif (heir, descendant, heritage).
Tumi (Danish): Nickname for names starting with Þórr/Thor, and containing M as their final element.
Tverdimir (Slavic): “Hard peace” and “hard world,” from Proto–Slavic root tverd (hard) and mir (world, peace). The modern form is Twardomir (Polish).
Tanguistl (Cornish), Tangwystl (Welsh), Thangustella (English): “Pledge of peace,” from Welsh roots tanc (peace, tranquility) and gwystl (hostage, pledge).
Taudisca (Tuscan Italian), Tedesca (Italian): Derived from Proto–Germanic root *þiudiskaz (of the people, vernacular, popular). This is also the modern Italian feminine adjective for “German.”
Tegrida (Spanish): Form of Tigris, which may be of Celtic or Gallic origin.
Tekusa (Russian and Slavic): Form of Greek name Thekusa.
Tortula (Italian): “Small twist.”
Tyfainne (French): “Epiphany,” from Greek root Theophania. This name was traditionally given to girls born on 6 January.