Use full names and formal titles
Address married couples as “Mr. and Mrs. [Husband’s Full Name]” or “Mr. [Full Name] and Mrs. [Full Name]”
Address unmarried couples on separate lines with each full name
Address single adults with “Mr.”, “Ms.”, “Miss”, or “Mx.” as appropriate
Address families with children by listing parents first, then children below
Use “and Guest” only when inviting a plus-one
Spell out all words, including street names, state names, and titles
Use the guest’s preferred name if known
Use correct honorifics and professional titles when applicable
Address married couples with different last names by listing both full names
Address same-sex couples using the same format as any married or committed couple
Avoid abbreviations except standard titles like “Mr.” and “Mrs.”
Write apartment or unit numbers on the same line as the street address
Use clear, legible handwriting or printed labels
Match the formality of the invitation to the event style