What does the letter M mean on an RSVP card?

The letter “M” on an RSVP card is a traditional label character that stands for the first letter of your preferred title (e.g., Mr., Mrs., Ms., Virgo, or Mx.). It’s simply a guide to where to enter your name(s) and how you want to be returned. Label – how to fill it in? All you have to do is complete the row by entering your title and first name(s). For example: Mr. and Mrs. John Smith, Mrs. Jane Doe and the Guest , Mr. Alex Taylor, Dr. and Mr. Sarah and David Jones. Why is the letter “M” used on RSVP cards? Traditionally, formal wedding invitations and responses to them were written in the third person (e.g. “Mr. and Mrs. Smith invite you to accompany you…”). The letter “M” was a formal, elegant way to encourage the guest to start their response with the right title while maintaining the formal tone of the invitation.Modern alternatives