No. M or Messier is a name given to certain nebulae and galaxies.
The M stand for her middle name
in 3M what does the M stand for
meters
meters.
It was for the founders, Mars & Murrie.
Monsieur/Madame/Mademoiselle
It means it's the numbering from the Atlas of Peculiar Galaxies, by Halton Arp.
Manoj
muriel
Minshara
M stands for male