How to Fill Out a Wedding RSVP Card (Guest Guide)

You have a wedding invitation on the counter and a small card that starts with a blank line and the letter M. Here is the short version: the M is the beginning of your title (Mr., Mrs., Ms., Miss), and you finish it with your name on that same line. Tick accept or decline, write in only the number of people listed on the card, note your meal choice if there is one, and mail or submit it before the date printed at the top.

That covers most cards. The rest of this guide walks through every other line you might hit: plus-ones, kids, allergies, digital RSVPs, and what to do if you said yes and now can't make it.

If you're the one sending the invitations rather than answering them, our wedding RSVP wording examples covers the host side of the same card.

What a wedding RSVP card actually is

A wedding RSVP card (also called a reply or response card) is the small pre-addressed card enclosed with a formal invitation. It exists to give the couple a confirmed headcount for their caterer and venue. RSVP is short for the French répondez s'il vous plaît, which is a request, not a suggestion. The Emily Post Institute's guidance on responding to wedding invitations is blunt about it: respond promptly, not on the deadline.

Here's what each line is asking for.

The M line, explained properly

The M___ line is the part that stops people. The M is the first letter of the four common English honorifics: Mr., Mrs., Ms., and Miss. The card gives you the letter so the line stays tidy no matter which applies.

You complete the word and keep writing:

• M + r. and Mrs. James Okafor → Mr. and Mrs. James Okafor
• M + s. Priya Raman → Ms. Priya Raman
• M + iss Amara Bello and Mr. Daniel Reyes → Miss Amara Bello and Mr. Daniel Reyes

A few situations the M doesn't cover:

Your title isn't an M. Doctors, reverends, judges, and military ranks all break the pattern. Cross out the M lightly, or ignore it and write your full title and name. Nobody has ever been offended by this.

You don't use a title. Skip it and write your first and last name. "Jordan" alone won't help a couple who know three Jordans.

You're replying for two people. Write both full names. This is the single most useful thing you can do for the couple, because "Mr. and Mrs. Chen" on a card returned with two seats is still ambiguous if two Chen couples were invited.

Write legibly. Your name is going onto a seating chart and a place card, and it will be transcribed by someone who is tired.

Accepting and declining

Tick or write an x next to exactly one option. Formal cards use accepts with pleasure and declines with regrets, and you don't need to add anything to either. If the card has room for a note, keep it to one sentence. "Can't wait to celebrate with you both" on an acceptance, or "So sorry to miss it, we'll be thinking of you" on a decline. That's the whole convention.

Decline promptly. A fast no is genuinely more valuable to a couple than a slow yes, because it frees a seat while there's still time to invite someone else. If you already know you can't go, reply the day it arrives.

"___ seats have been reserved in your honour"

This line replaced the old plus-one guessing game, and it's the clearest sentence on the card. The number is either pre-printed or handwritten by the couple. It is the number of people invited, and it is not negotiable.

If it says 2 and you're going alone, write 1. If it says 1, you were invited alone, even if you have a partner the couple has met. Writing 2 on a card that says 1 forces them to either pay for an unplanned seat or call to walk it back, six weeks before their wedding.

Some cards ask for the number attending instead of stating what's reserved. Then the envelope tells you: whoever is named on it is invited, and "and Guest" means one additional person of your choosing.

Plus-ones when the invitation doesn't name one

If no plus-one is offered, don't ask for one. The seat count is usually a budget decision that was argued over for a while, and asking reopens it.

The narrow exception is a long-term partner the couple simply doesn't know about yet. Even then, ask directly and early, make it easy to say no, and accept the answer the first time. Our guide to wedding plus-one etiquette covers how couples actually make these calls, which is worth reading before you ask.

Children

Same rule, applied more strictly. If your children's names are not on the outer envelope, they are not invited. Adult-only receptions are common, and the couple has usually made that call once, for everyone. Don't write your kids onto the seat line.

Meal choices, allergies, and dietary notes

Plated dinners come with an entrée selection, usually three options. Make one selection per guest, not one per card. If two of you both want the fish, mark it twice or write "2 x fish".

Use the dietary line for things that matter medically or religiously: a nut allergy, coeliac disease, halal, kosher, vegan. Keep it short and specific. "Severe nut allergy" is actionable. "I don't really like mushrooms" is not, and a caterer costing 140 plates cannot do anything with it.

If your restriction is serious, write it on the card and mention it to the couple separately. Cards get transcribed, and details fall out.

The deadline is the deadline

The date printed on the card is the reply deadline, typically three to four weeks before the wedding. The venue needs a final number roughly two weeks out, and the couple wants a buffer for chasing people. The Knot's guidance for wedding guests is to check your calendar and put the card straight back in the mail, which is the right instinct. The card is on your counter right now.

How to RSVP online, by link, or by QR code

Most weddings no longer use a paper card at all. According to The Knot's 2025 Real Weddings Study, 74% of couples now use a wedding website with online RSVP, up from 53% in 2020. So the "card" is often a URL on the invitation, a QR code on the back, or a text message.

The information asked for is identical. Only the delivery changes:

1. Open the link, or point your phone camera at the QR code and tap the banner that appears.
2. Find your name. Many RSVP pages ask you to search for it, which is how the couple links your reply to their guest list.
3. Select attending or not attending, for each event if the wedding has several (a mehndi, a welcome dinner, a farewell brunch).
4. Add guest names for anyone included in your invitation.
5. Choose meals and add dietary notes.
6. Submit, and wait for the confirmation screen or email.

Two things guests get wrong. One reply per household, not per person, unless the page says otherwise. And if you never saw a confirmation, you probably didn't submit.

Multi-event weddings are where digital RSVPs earn their place, because you can decline the Friday welcome party and accept the Saturday ceremony in the same reply. Our complete guide to online wedding RSVPs explains what happens after you hit submit.

Copy-paste replies you can use

For handwritten cards, digital note fields, or a text.

Accepting

Mr. and Mrs. Daniel Reyes joyfully accept. 2 seats. Both fish, no allergies. We're so happy for you both.

Declining

Ms. Priya Raman regretfully declines. I'm so sorry to miss the day, and I'll be thinking of you both.

Accepting with a plus-one

Ms. Amara Bello accepts with pleasure, and I'll be bringing Tomás Herrera. 2 seats. One vegetarian, one beef. Tomás is coeliac, so gluten-free where possible.

Declining, with a note about a gift

Mr. and Mrs. James Okafor decline with regrets. We have a family wedding the same weekend and are gutted to miss yours. A gift is on its way, and we'd love to take you both to dinner when you're back.

Replying late

Hi Sofia, I'm sorry this is past your deadline. If the count is still open, Léa and I would love to come, 2 seats, both chicken. If it's closed, please don't rearrange anything for us, we completely understand.

Changing a yes to a no

Sofia, I have to withdraw our RSVP and I'm so sorry. Marc's father was admitted to hospital on Tuesday. Please take our two seats off the count and let us know if there's a cancellation cost, we'll cover it.

That last one is the reply people put off writing. Send it the day you know. Emily Post's advice on handling missing or extra RSVPs is written for hosts, and it makes clear how much untangling one silent guest creates.

Planning something of your own?

If this reminded you that you have a wedding, birthday, or shower of your own coming up, Invyt builds a free invitation page with RSVP tracking, meal and dietary collection, and a QR code for printed invitations. Guests reply from their phone in about a minute.

Frequently Asked Questions

What does the M mean on an RSVP card? The M is the first letter of your title: Mr., Mrs., Ms., or Miss. You finish the word and write your name on the same line, so it reads "Mr. and Mrs. James Okafor" or "Ms. Priya Raman." If your title doesn't start with M, such as Dr. or Rev., just write your full name instead.

What if I RSVP'd yes but can no longer attend? Call or message the couple directly as soon as you know. Do not wait, and do not rely on a text to a bridesmaid to pass the message along. Catering headcounts are usually locked one to two weeks out, so an early heads-up is the difference between a small adjustment and a paid-for empty seat.

Can I bring a plus-one if the invitation doesn't mention one? No. The names on the envelope and the number of seats on the reply card are the invitation. If the card says one seat has been reserved, you were invited alone. Asking the couple to make an exception puts them in an awkward position over a seat they may not have.

Do I still need to reply if I can't attend? Yes, and quickly. A decline is more useful to the couple than a late acceptance, because it frees a seat that can go to someone on the B-list while there is still time to invite them. Silence is read as a maybe, which means you will get chased.

How do I RSVP to a wedding by text or QR code? Open the link or scan the code with your phone camera, then fill in the same details a paper card asks for: your name, your attendance, guest names, and meal or dietary notes. Most digital RSVPs send a confirmation screen or email. Screenshot it if you want a record.