The origin of the name Theilman is German and the Coat of Arms contains A gold shield with a wavy blue stripe, a snake and a swallow. The Crest is A swallow.
Spelling variations include: Tiedeman, Tiedmann, Tiedman, Tiedermann, Tiederman, Tidman, Tidmann, Teedman, Teedmen, Teideman, Teidemann, Thiedemann and many more.
First found in nothern Germany, especially Hamburg, where the name acquired prominence for its contribution to the emerging mediaeval society.
Some of the first settlers of this name or some of its variants were: Georg Ludwig Thiedemann, who settled in Winterhill, Massachusetts in 1778. Nicholas Tiedeman came to Philadelphia in 1812.