Dictionary of Medieval Names
from European Sources

Thangmar m. Old Saxon thanc, thank 'thought + Old High German, Old Saxon māri from Proto-Germanic *mērijaz 'famous'.

Germany
Latin
822x875 Tangmaro (abl) TradCorb §174, Thangmarus (nom) ibid. §140; 1259 Tangmarus (nom) CDL-1.1.1 XXXI
Cite as: S.L. Uckelman. "Thangmar". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Thangmar.