M.E., Mining Engineer.
Mdlle. (F. Mademoiselle), Miss.
Mme. (F. Madame), Madam.
Mons. (F. Monsieur), Mr.; Sir.
M.P., Member of Parliament.
M.P.S., Member of the Philological Society; Member of the Pharmaceutical Society.
M.R.A.S., Member of the Royal Asiatic Society; Member of the Royal Academy of Science.
M.R.C.P., Member of the Royal College of Preceptors, or of Physicians.
M.R.C.S., Member of the Royal College of Surgeons.
M.R.G.S., Member of the Royal Geographical Society.