Who should get a plus one at a wedding?
The workable rule is: anyone married, engaged or living with a partner, everyone in the wedding party, and any guest who would otherwise know nobody in the room. Then apply it to every household with no exceptions, because consistency is the only defence you have when someone asks. Guests who will be seated with people they already know, and colleagues, are the usual no. There is no universal etiquette answer here — families genuinely differ — so what matters is that your rule is written down and applied evenly.
What do you do if an RSVP says 2 but you only invited 1?
Message the person who wrote the extra name, the same day you spot it, and be direct: say the invitation was for one, name the constraint in a single sentence, and confirm you have applied the same answer across the list. Ask whether they can still come in the same message. Absorbing the extra cover is a legitimate alternative if the room and the budget allow it — just decide once, write down that you did, and be prepared to do the same for the next household.
How do you tell a guest their children aren't invited?
Assume they misread the invitation rather than ignored it, and say it in one short message: the day is adults-only, so the invitation is for the two of them. Do not justify it at length. Ask directly whether they can still come, because some households will now decline and you need that answer before your caterer's final count. Offering a real alternative — a Sunday brunch, drinks the night before — is genuinely kind and costs nothing.
Is it rude not to give single guests a plus one?
No, provided the rule is even and the guest will not be stranded. What causes offence is inconsistency — one single friend gets a plus one and another does not — and seating someone at a table where they know nobody. If you cannot offer a plus one, tell the guest who else is on their table when you reply. That one sentence resolves most of the discomfort.
How do you track plus-ones on a wedding guest list?
Record an invited party size against every household before the invitations are addressed — the number of seats, not the number of envelopes — and put the returned party size in the next column as replies arrive. Any row where the two disagree is a conversation you owe someone. Without the first column there is nothing to compare a reply against, which is why wrong RSVPs are usually noticed at the place-card stage rather than the reply stage.
Can you take a plus one back after you've offered it?
You can, but treat it as a phone call and expect it to cost you something. Withdrawing an offer you made is materially different from correcting a reply that added someone, and the guest is entitled to be annoyed. If a numbers problem is forcing it, say so plainly, apologize once, and give them the choice to come without their guest or not at all — do not decide that part for them.
What if the extra guest turns up on the day anyway?
Seat them. The day itself is the wrong place to hold a line — your coordinator can usually find a chair, and the cost of one unbudgeted cover is far smaller than a scene at your own reception. Tell your planner or a level-headed relative in advance which households are at risk of this, so the decision is made by somebody who is not you and not standing in a wedding dress.