Why is it celebrated on April 10?

April 10 was the birthday of Evart's sister Lisette, who died young, so she chose that date for the holiday.

Is National Siblings Day an official or federal holiday?

No. It is widely recognized at the state level, with governors in 49 states proclaiming it according to the foundation, but it is not a federal holiday and has never been federally proclaimed, so it is a normal working day.

Did any U.S. presidents recognize the day?

Yes. The foundation reports that Presidents Clinton, Bush, and Obama issued Presidential Messages recognizing it, though those are letters of recognition rather than formal proclamations.

How do people celebrate National Siblings Day?

Most people reach out to a brother or sister, share old photos, or remember a sibling they have lost.

What is Sibling Appreciation Month?

In 2025 the Siblings Day Foundation designated the full month of April as Sibling Appreciation Month, extending the April 10 observance across the whole month.

878 saved#16 of 6,224

National Siblings Day

An annual observance on April 10 honoring the bond between brothers and sisters and encouraging people to appreciate their living siblings.

Saturday

April 2027

Last updated March 23, 2026 · by the Holiday Calendar Team

Have an update or spot an error?

YEARLY DATEApril 10

OBSERVED INUnited States

CATEGORYRelationships

SUBCATEGORYSiblings

ORIGIN

Family Initiative

FOUNDING ENTITY

Claudia Evart (Siblings Day Foundation)

FIRST OBSERVED

1995

“Claudia Evart founded the day in 1995 and set it on April 10, her late sister Lisette's birthday.

HOW THE HOLIDAY CAME TO BE

A sister's birthday, kept as a day for the living.

Claudia Evart created National Siblings Day in 1995 and founded the Siblings Day Foundation to promote it, after losing both of her own siblings young. She set the date on April 10 because it was the birthday of her late sister Lisette.

View Original Recordvia Siblings Day Foundation

INTRO

The warm holiday with a private grief at its center

PHOTO

April 10 is meant to be a happy date. Phones fill with old photos of brothers and sisters, and gift shops stock cards for the occasion. The woman who chose that date was not thinking about cards.

She was thinking about her sister. April 10 was Lisette's birthday. Lisette was killed at 19 in a 1972 car accident that also took the sisters' father, and Claudia Evart, then 17, survived them both. Years later her brother Alan died too.

From that double loss Evart built something forward-looking: a day to appreciate the siblings still here, while there is still time. National Siblings Day is a celebration. It is also, quietly, a memorial.

ORIGINS

Siblings Day history

INTRODUCTION

The day did not begin with a campaign or a slogan. It began with one woman, alone, on a bad day.

By the mid-1990s, Claudia Evart had outlived both of her siblings. Her brother Alan had died in 1987, at 36, after hitting his head in a fall, as NPR has recounted. She was the youngest of the three, and the only one left.

CHAPTER 01

One day in a library

The idea arrived in late March 1995, on Evart's own birthday. She has described spending it in her local library, missing the siblings she had lost. She would later call it one of the hardest days of her life. What she wanted was a way to keep her brother and sister present, and to spare other people the regret of taking a sibling for granted.

CHAPTER 02

A model already on the calendar

Evart did not invent the form. She borrowed it. Mother's Day and Father's Day were long established, and she set out to add siblings to that family of holidays. She founded the Siblings Day Foundation in 1995 to carry the effort, and chose April 10, her sister Lisette's birthday, as the date. The foundation became a registered nonprofit in 1998.

CHAPTER 03

From one person to the public record

The push for recognition soon reached Washington. Representative Carolyn B. Maloney of New York, whose Manhattan district included Evart, began entering Siblings Day into the Congressional Record on her constituent's behalf. By 2001, that record noted, governors in 20 states had proclaimed April 10 as Siblings Day. The number kept climbing in the years that followed.

Three decades on, Evart still runs the all-volunteer foundation. In 2025 she marked the day's 30th anniversary by widening it, designating the whole of April as Sibling Appreciation Month.

It's the most powerful relationship you ever have in your life.

Claudia EvartFounder, Siblings Day Foundation

You always think they'll be there.

Claudia EvartFounder, Siblings Day Foundation

WHY THIS DAY MATTERS

Why We Love National Siblings Day

FAMILY

Roughly four in five American kids grow up with a sibling.

The U.S. Census Bureau reports that about 79.3 percent of American children under 18 lived with at least one sibling in 2022. The day puts a date on a relationship nearly everyone grows up inside.

RECOGNITION

It earned official notice without a law

The Siblings Day Foundation reports that governors in 49 states and three presidents have formally recognized the day. None of it made April 10 a federal holiday, but the trail of proclamations is real.

MEMORY

It turns private grief into a public prompt

The holiday exists because one woman lost both siblings and wanted others to notice theirs in time. Its quiet message is to reach out while the people you grew up with are still here.

AT A GLANCE

National Siblings Day at a glance

Founder: Claudia Evart
Founded: 1995
Organization: Siblings Day Foundation
Headquarters: Massachusetts
Nonprofit status: 501(c)(3) since 1998
Why April 10: Birthday of Evart's late sister Lisette
Modeled on: Mother's Day and Father's Day

TIMELINE

Timeline

Lisette and her father die

Evart's sister Lisette is killed at 19 in a car accident that also takes their father; April 10, Lisette's birthday, later becomes the holiday's date.

Her brother Alan dies

Evart's brother Alan dies at 36, leaving her the only surviving sibling of the three.

Evart founds the day

Claudia Evart creates Siblings Day and starts the Siblings Day Foundation, setting the observance on April 10.

It enters the Congressional Record

Rep. Carolyn B. Maloney begins entering Siblings Day into the Congressional Record, the first of six such entries per the foundation.

The foundation is incorporated

The Siblings Day Foundation receives 501(c)(3) nonprofit status.

Thirty years, and a full month

The foundation marks the day's 30th anniversary and designates April as Sibling Appreciation Month.

GET INVOLVED

How to Celebrate National Siblings Day

Call the sibling you talk to least

Skip the group text and phone the brother or sister you rarely reach. A single unplanned call does more than a dozen scrolling likes.

DIG

Dig out a childhood photo

Find an old picture of the two of you and send it with no caption needed. Shared memory is the whole point of the day.

WRITE

Write down a story only you two remember

Capture one moment from growing up that nobody else witnessed. Family lore disappears fast when no one records it.

HONOR

Honor a sibling you have lost

The day began as a memorial, so it makes room for grief as well as gratitude. Light a candle, visit a grave, or simply say their name out loud.

MAKE

Make the whole month count

The Siblings Day Foundation now calls April Sibling Appreciation Month. Spread small gestures across the weeks rather than packing them into one date.

Test your knowledge