Shaun
Shaun is a masculine given name, an anglicized spelling of the Irish name Seán. Alternative spellings include Shawn, Sean and Shawne.
Seannoun
A seine. See Seine.
Sean
Sean is a male given name of Irish origin. Its correct Irish spelling is Seán [ʃaːn̪ˠ] or Séan [ʃeːn̪ˠ], while an older form is Seaghán or Seaġán.