What i know in French is
Monsieur et Dames
no
mesdames.
It can be madames, madams OR mesdames, actually.
Bill Sirs's birth name is William Sirs.
Mesdames in French means "my ladies" in English.
SIRS has written: 'WEBSELECT'
Mesdames Anna and Ingiga are having tea at this moment
Bonjour mesdames (mesdames is the irregular plural of madame)
Mesdames de la Halle was created in 1858.
"Sirs" in English is signori in Italian.
Mmes
"Mesdames et messieurs." For a TV speaker, it could be: "Mesdames, mesdemoiselles, messieurs."