In Ernst Förstemann's "Altdeutsches Namenbuch" (1900), Theobald is listed under the entry for Theodobald, which spans pages 1417 to 1420. To be more precise, Theobald is mentioned at the beginning of the entry on page 1417, and again near the bottom of page 1418, where Förstemann comments that the name was "sehr häufig" i.e. very common: [noted -ed]https://archive.org/details/altdeutschesnam00seelgoog/page/n721/mode/2up (in German)You also mentioned the medieval forms Tebald en Tibald in your entry for Theobald. It turns out that these are also featured in Förstemann's book. You can find them at the end of the entry for Theodobald on page 1420:https://archive.org/details/altdeutschesnam00seelgoog/page/n724/mode/2up (in German)
Theobald Böhm (or Boehm) (1794 – 1881) was a German inventor and musician, who perfected the modern Western concert flute and improved its fingering system (now known as the "Boehm system"). He was a Bavarian court musician, a virtuoso flautist and a renowned composer.
Theobald Smith, FRS(For), HFRSE (1859 – 1934) was an American pioneering epidemiologist, bacteriologist, pathologist and professor. Smith is widely considered to be America's first internationally-significant medical research scientist.
Theobald Stein (1829 – 1901) was a Danish sculptor. He was a professor at the Royal Danish Academy of Fine Arts and served as its director from 1883 to 1886.
This name was borne by two kings of Navarre, a former autonomous kingdom in modern day Spain. Theobald I (1201 - 1253) known as "The Posthumous" and "The Troubadour" who was originally born a French nobleman and ruled the French counties of Champagne and Brie (as Theobald IV) before inheriting the Kingdom of Navarre in 1234 upon extinction of its former royal family the House of Jiménez via right of his mother Blanche of Navarre. He was followed subsequently by his eldest surviving son Theobald II (1239 - 1270).
Ugh! Despise! What is Theo's hair? Bald? I much prefer Theodore, or the best of all, Theo! I love Theo and Theodore, but I despise this. Can we take the "bald" part away? I feel so bad for Theobald's and don't name your kid this, they will be bullied and teased forever, this name is a curse! If you name your son Theobald, you are the worst parents ever!
It's hard to imagine how Wolfe Tone ever got such an uncool name. No wonder he went by Wolfe.
― Anonymous User 9/15/2009
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Father Theobald Mathew was an Irish priest who led the Temperance movement in America.
― Anonymous User 8/3/2009
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I hate this name, it is so stupid, who would actually name their baby Theobald because their kid would be bullied for their whole life.
― Anonymous User 6/13/2008
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This wrong. Theobald derives from Greek. Theo referring to God (see, eg, theology) and bald, which refers to white or bright. This is an archaic word found, in mainly combined words, in many European languages. In English, see eg Oxford English Dictionary for bald as meaning "streaked or marked with white". See also Norse mythology for Baldur, the white god. Thus, the meaning of Theobald is "Godbright". You explain the name as "Derived from the Germanic elements þeud "people" and bald "bold". That is a different name. Here the first element is right (Þeud) but the second has undergone a very common change where v becomes b (and sometimes vice versa). The origin is "vald", meaning power or rule. This name means someone who rules over people. However, it never became "Theobald", but "Þeudvald". So, kind people, change Theobald to Godbright!
https://archive.org/details/altdeutschesnam00seelgoog/page/n721/mode/2up (in German)
You also mentioned the medieval forms Tebald en Tibald in your entry for Theobald. It turns out that these are also featured in Förstemann's book. You can find them at the end of the entry for Theodobald on page 1420:
https://archive.org/details/altdeutschesnam00seelgoog/page/n724/mode/2up (in German)