William Cosyn (fl. 1421–1431) of Totnes, Devon, was an English politician.

He was a Member (MP) of the Parliament of England for Totnes in December 1421, 1423, 1425, 1427, 1429 and 1431.[1]

References edit

  1. ^ "COSYN, William, of Totnes, Devon. | History of Parliament Online".