Start with one thing you actually saw her do

The only rule that matters here is evidence. Pick one thing you watched her do this year and put that in the card, in place of the praise. Not that she is amazing. Not that she was born for this. That she learned to fold a pram one-handed in a car park in the rain, that she can hear a change in breathing from the next room, that she sang the same four bars of a song she half knows for forty minutes at 3 a.m. until it worked. One witnessed thing beats a page of compliments, because compliments could go to anyone and she knows it.

I learned this the blunt way. In May 2024 I wrote a card to my friend Nia in Morpeth, whose daughter had arrived that February, and my first draft called her a natural twice and a superhero once. She texted me a photograph of the card next to a cold cup of tea and wrote, underneath, that she was googling everything at 3 a.m. and a natural would not need to. She was joking. Mostly. I bought a second card, crossed nothing out because there was nothing specific to cross out, and wrote instead about watching her do a nappy change on the back seat of a parked car outside a Morpeth cafe in March, one-handed, while holding a sausage roll in the other hand and not dropping either. That card she kept.

So before you pick a line below, do the thirty-second version of that job. Think of one scene from this year with her and the baby in it. A feed, a clinic waiting room, a walk that took an hour to leave the house for. Then choose the line nearest that scene and change a word or two so the scene is in it. The lines are sorted by who is sending, because a partner, a grandmother and a friend have each seen different things, and a card that could come from any of them usually reads as if it came from none of them. In the United States the day itself is Sunday 9 May 2027, the second Sunday in May. In the UK, Mothering Sunday is Sunday 7 March 2027, which catches out at least one family I know every single year.

From a partner, who saw the nights

You are the default sender, and your card is the one most likely to be kept in a box rather than recycled in June, so yours is the one that can least afford to be generic. Write about the nights, because you are the only other adult who was awake for them, and skip any line about her being a natural. Nobody who has been woken five times feels like a natural, and hearing it can land as pressure to keep coping quietly.

  • Happy first Mother's Day. I keep thinking about the night she would not settle for anyone and you walked the landing in your socks, humming a song you told me later you were inventing as you went, and she slept.
  • You have been a mother for eleven weeks and you already know which cry means the dummy has fallen out and which one means wait. I am still at the door guessing. Happy first Mother's Day to the one who knows.
  • I watched you do a whole nappy change on the back seat of a car, one-handed, holding your lunch in the other hand, and I have never been prouder of anyone. Happy first Mother's Day.
  • Happy first Mother's Day. Thank you for the 2 a.m. feeds you never mentioned, the ones I only know about because the chair downstairs was warm when I came down at six.
  • You did not become a different person this year. You became more of the same one, faster, tireder and funnier about it, and our daughter got the best of it. Happy first Mother's Day.
  • Happy first Mother's Day to the person who can now pack a bag for three possible weathers, two leaks and one emergency biscuit in under four minutes. I timed you. It was four minutes.
  • I knew you would be kind. I did not know you would be this patient at 4 a.m. with sick on your shoulder, still talking to her in the same soft voice you use at noon. Happy first Mother's Day.
  • Happy first Mother's Day. The baby thinks you are the whole world. For once the baby and I agree completely, and I am putting it in writing so you can check it in ten years.
  • Rest today is not a treat, it is an instruction. Happy first Mother's Day. I have the baby, the bottles and the laundry, and you have a closed door and my word that nobody will knock before eleven.

Written for the baby, and signed honestly

Cards in the baby's voice are the shop category that sells this day, and they work, with one condition. The adult who wrote the words has to own that somewhere on the card, even if it is only a line at the end saying who held the pen. A card that pretends a four-month-old composed three paragraphs fools nobody, and the small honest admission is usually the part that makes her laugh. Keep the baby's lines short, keep them to things a baby could plausibly have views on, and let one adult sentence do the serious work if you need serious work done.

  • Happy first Mother's Day, Mum. I cannot write, hold a pen or stay awake through a whole feed, so Dad wrote this, but the opinion is mine: you are my favourite person and it is not close.
  • For my first Mother's Day I would like to say thank you for the feeds, the changes and the carrying. I would also like to apologise in advance for the next nappy, which is coming. Love, your daughter, dictating.
  • Happy first Mother's Day. You are the voice I turn to in a room full of people and the arms I fall asleep in mid-sentence. I am eight months old and I already know where home is.
  • Mum, happy first Mother's Day. Sorry about your sleep, your hot drinks and every plan you made before February. Thank you for not holding any of it against me.
  • Happy first Mother's Day from the baby. I have no money, no skills and one facial expression that does all the work, but I have you, which everyone here agrees was an excellent result.
  • You have been my mum for one whole year on the outside and I have spent most of it looking at your face. Happy first Mother's Day. It is a very good face.
  • Happy first Mother's Day, Mum. When I am bigger I will write this myself and spell things wrong in a more personal way. Until then, thank you for every single night. All of them. I counted by waking you for each one.
  • To Mum on your first Mother's Day: thank you for learning my songs, my signals and my strange opinions about socks. Nobody else studied this hard. Love from the smallest person in the house.

From her own parents, who now have a grandchild

Your card does a different job. You are the only senders who knew her before she was a mother, so you can say the thing a partner cannot, that you have watched the whole distance she has travelled. One warning from experience: keep the advice out of this card entirely. She will get feeding, sleep and screen-time opinions from every direction that weekend. A first Mother's Day card from her parents that contains no instructions at all is rarer, and better, than you would think.

  • Happy first Mother's Day, love. Watching you with her has been the surprise of our year. We raised you and we still sat in your kitchen taking notes.
  • We changed your nappies with pins and a bucket and strong opinions. You do it one-handed while answering an email. Happy first Mother's Day to a mother we are quietly in awe of.
  • Happy first Mother's Day. You rang me at midnight in the second week and said you finally understood. I have waited thirty-one years to hear that sentence and it was worth every one of them.
  • You are a wonderful daughter. This year we got to watch you become somebody's whole safe place, and there is no version of proud that covers it. Happy first Mother's Day.
  • Happy first Mother's Day from Mum and Dad, now answering to Grandma and Grandad, titles we did not earn and intend to enjoy at full volume. Thank you for our granddaughter, and for letting us hold her before the kettle boiled.
  • I used to rock you in a chair not unlike that one. Now I watch you rock her and hum a tune I half recognise, because it is mine and you changed the words. Happy first Mother's Day, my girl.
  • Happy first Mother's Day. Rest when you are here on Sunday. Your father will hold the baby, I will hold the baby after him under protest, and you will eat a hot meal with both hands, the way nature intended.

From a friend or a sister, who knew her before

Friends often skip this card, assuming it belongs to family, and that is exactly why it lands when it arrives. You are proof that she is still a person with a life and a history, not only a mother, at a moment when nearly every conversation she has starts with the baby. Name something from before if you can. The shared history is your evidence, and it is evidence nobody else in her card pile can offer.

  • Happy first Mother's Day. I have known you through exams, bad jobs and one truly terrible fringe, and watching you become a mum is my favourite version so far, even though you now cancel plans in a new and creative range of ways.
  • You are doing it. I know some days it does not feel like doing it, it feels like surviving with snacks, but from where I stand you are doing it properly. Happy first Mother's Day.
  • Happy first Mother's Day to my friend, who can now discuss latch, naps and nappy brands for twenty minutes and then, without pausing, return to gossip at full professional standard. Range. I respect it.
  • I am so proud of you. Not in the polite card way. In the I watched you cry in a hospital car park and then go back in and learn to feed her way. Happy first Mother's Day.
  • Happy first Mother's Day. The baby is lovely, obviously, but this card is about you, because you are the friend I have had for fourteen years and you are allowed one day a year where the compliment lands on you.
  • Your daughter has no idea yet how lucky she is. She will work it out around the first time you make her laugh when she is determined to cry, which I estimate at about next Tuesday. Happy first Mother's Day.
  • Happy first Mother's Day. Coffee at mine next week. Bring the baby, bring no apology for the baby, and if you fall asleep on my sofa I will consider it the highest compliment my sofa has ever received.

For a hard first year, written carefully

Some first Mother's Days arrive at the end of an easy year and some do not, and the second kind is where a card does its most serious work and where the standard shop lines do active harm. A baby who spent weeks in hospital, a child who arrived through adoption, surrogacy or fostering, a baby who came after a loss, a mother doing the whole job alone: each of these needs the facts named plainly and the celebration kept, not softened into a sympathy card. She is a mother on Mother's Day, not a case. Name what happened, keep it brief, and do not explain her own year back to her at length.

  • Happy first Mother's Day. Your son spent his first weeks in special care and you spent them in a plastic chair learning machines by their sounds. He is home. You brought him home. That is the whole card, really.
  • Happy first Mother's Day. She did not arrive the way you first imagined, and you loved her on sight in a room full of forms and waiting. However a family starts, it started. You are her mum and this is your day.
  • Happy first Mother's Day. I have not forgotten the baby who is not here, and I will not pretend this year held only one thing. There is room in this card for both of them, and in me too, whenever you want it.
  • You are doing this on your own and doing it well, which are two separate facts and you deserve credit for both. Happy first Mother's Day. Sunday lunch is at mine and the spare bed is made, no reply needed.
  • Happy first Mother's Day. You waited a long time and sat through a lot of other people's announcements with a straight face. This year the card has your name on the front of it. I have been waiting to send it.
  • Happy first Mother's Day to a mum in her first year of it, through fostering, through panels and visits and a bedroom painted before you knew who would sleep in it. She sleeps in it now. You did that.

If you are writing to someone whose baby died this year, stop and think before you use any line on this page. For some mothers a first Mother's Day card is the one acknowledgement she will get that she is a mother at all, and she may want it fiercely. For others it is a day to get through. Ask, if you can, or send a short card that leaves the door open either way, and do not put a deadline on her feelings by promising that next year will be easier.

Short lines for gift tags, flowers and texts

A lot of first Mother's Day cards are not cards at all. They are the tag on flowers ordered from a hospital car park, a text sent at midnight because the sender suddenly remembered the date in a different country, or six words squeezed onto a card the baby is technically sending with a gift. Short is not a lesser category here. A short line with one true detail in it beats a long line with none, every time.

  • Happy first Mother's Day. Eleven weeks in and already the expert. I have seen the one-handed nappy change.
  • First one. You earned it at 3 a.m., repeatedly. Happy Mother's Day.
  • Happy first Mother's Day, Mum. Dictated by the baby, typed by Dad, meant by both of us.
  • To the queen of the 3 a.m. feed and the cold tea. Happy first Mother's Day.
  • Happy first Mother's Day. Hot food, both hands, closed door. Today, all three.
  • You were my favourite person before. Now you are hers too. Happy first Mother's Day.
  • Happy first Mother's Day from Grandma, who is not crying, and Grandad, who is.
  • One year a mother, zero nights off, still funny. Happy first Mother's Day.
  • Happy first Mother's Day. She turned to your voice in a crowded room. So would I.
  • First Mother's Day, and the card is really a receipt: love received, daily, in full.

Lines to leave out of a first Mother's Day card

Four phrases turn up in nearly every shop card for this day and all four can hurt, which is worth knowing before you sign one that is pre-printed with them.

You are a natural at this.

You were born to be a mum.

Enjoy every minute, it goes so fast.

Now you are a real mum.

Natural and born to be both tell a woman who is struggling at 3 a.m. that the struggle means she is failing at something effortless. Enjoy every minute instructs her to feel grateful during a nappy explosion in a motorway service station, and it is usually sent by someone who has forgotten their own first year in convenient detail. Real mum is the worst of the four. It draws a line through adoptive, foster and step mothers, through mothers whose babies were carried by someone else, and through anyone who needed help to get here, and it does it in a card meant to celebrate her. If the card you bought already has one of these printed inside, cross it out and write over it. Honestly, the crossing out can be the most loving part of the whole card. It shows you read it.

Here is the difference one edit makes. A first draft, of the kind I wrote to Nia:

Happy first Mother's Day. You are a total natural and a superhero, I do not know how you do it all. Enjoy every second with your beautiful girl.

And the same card after the evidence rule got to it:

Happy first Mother's Day. In March I watched you change her on the back seat of a parked car, one-handed, holding a sausage roll in the other hand and dropping neither. Superhero is the wrong word. Competent in a car park is better, and it is yours.

Turn it into a group card

A first Mother's Day is one of the few card occasions where the pile itself is the point. Her parents, her partner, a friend from school, someone from a baby group whose surname nobody knows yet: each card says a slightly different thing, and together they tell her that the whole map of her life noticed. That is an argument for organising the family end of it rather than leaving it to chance. If her siblings and parents are spread out, a group card with multiple signers gets everyone onto one page before the day, instead of three separate cards arriving on the Tuesday after because somebody trusted the post.

Keep the group version for family logistics, and keep the partner's card separate and handwritten. Those are different objects doing different jobs. You can create a card online for the group one in a couple of minutes and still take all week over the wording of yours, which is roughly the correct allocation of effort.

For the sender who is also writing to her on other days this year, the general what to write in a Mother's Day card guide covers mothers at every stage after the first, and the shipped Mother's Day messages bank is the larger set to draw on once this milestone has passed. There is also a smaller, useful sibling in what to write in a baby shower thank-you card, for the new mother on the other side of the thank-you note, which she will be facing at about the same time.

The jar of damson jam I bought Nia at Morpeth market that September is still in my cupboard, unopened, its label bleached pale by the window it sits near. I keep meaning to take it round with cheese. She has a toddler now, nearly, and the jam has outlasted two of my deadlines for delivering it, and I no longer think the jam was really the point of buying it.