Cossinus, Cossonus or Cossonay
2 July 2021
Cossonay (canton of Vaud) is derived from the Gallo-Roman name Cossinus or Cossonus. In the Middle Ages, it became Cossinacum or Cossonacum. The first document with the name Cossonay dates from 1096. Uldric of Cossonay donated his goods in Cossonay to the Romainmôtier convent. In 1405, the dynasty of the Lords of Cossonay came to … Read more » “Cossinus, Cossonus or Cossonay”
