Plus-one etiquette causes more guest-list friction than anything except children. The solution is a rule you can state out loud and apply without exception.
In this guide
- Who traditionally gets one
- Who does not
- How to communicate it — the envelope does the work
- If a guest asks
- If you are the guest
- The cost of being generous
Who traditionally gets one
- Anyone married, engaged, or living with a partner
- Anyone in a relationship over about a year
- The wedding party, always
- Anyone travelling a long distance alone
- Anyone who will genuinely know nobody else there
Who does not
Casual dates, very new relationships, and single guests who will have plenty of friends in the room. There is no obligation to invite a partner you have never met, and no obligation to offer plus-ones at all if the guest list is tight.
How to communicate it — the envelope does the work
Address the outer envelope to exactly the people invited: “Ms Priya Shah” or “Ms Priya Shah and Mr Daniel Cole”. That single convention answers the question without a sentence of explanation, and it is why traditional envelope addressing survives.
On a digital RSVP, pre-fill the named guests and do not offer a free-text field for extra names.
If a guest asks
Answer once, kindly, and hold the line: “We'd love to, but the venue caps us at eighty and we've had to keep it to partners we've met.” Give the constraint, not an apology. Guests accept a number; they argue with a judgement.
If you are the guest
Assume you do not have one unless the invitation names someone. Do not ask — and if you do, accept the first answer without negotiating. Going alone to a wedding where you know the couple well is completely normal and nearly always more fun than you expect.
The cost of being generous
Every plus-one costs $95 to $150 and takes a seat from someone you know. Twenty plus-ones is a $2,500 line item for people you may never see again. It is entirely reasonable to spend that on a better bar instead, and no guest will ever know.
From Sagevow
Wording matters more than almost anything else in wedding stationery. Every suite we print is proofed with you before it goes to press.

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