M. et Mme. Murray sont allés à Paris.
M. et Mme. (monsieur et madame)
there is a period after "m." monsieur Dupont = m. Dupont the plural is mm. messieurs Dupont et Duval = mm. Dupont et Duval There is no period after "mme" (madame) or mlle (mademoiselle) m. et mme Dupont
M. et Mme. Dupont
No, there is no period after "mme" in French. However, "monsieur" ("M.") needs one.
"monsieur et madame Dupont" is abbreviated as "m. et Mme Dupont"
Monsieur/Madame/Mademoiselle
Madame is abbreviated to Mme, the plural is Mmes.
Monsieur and Madame are abbreviated to M ( no period) and Mme, respectively.
The plural of Messieurs in English isMessrs. (example: Mr. X, Mr. Y and Mr. Z = Messrs X, Y and Z. The plural of Messieurs in French is MM. (example: M. X, M. Y et M. Z = MM X, Y et Z.
monsieur is abbreviated "m." messieurs (the irregular plural form of monsieur) is abbreviated "mm." on a letter or business card: monsieur et madame DUPONT > m. et mme DUPONT - madame > mme, plural: mesdames > mmes - mademoiselle > mlle, plural: mesdemoiselles > mlles
"monsieur" (Just to remember: when this word is used as a title, it must always have 'm' in capital letter [M. or Monsieur).