National Sisters Day

Celebrated on 08/02/2026

Quick Fact

National Sisters Day, celebrated annually on the first Sunday in August, honors the unique bond between sisters. It was founded by Tricia Eleogram in the 1990s to encourage people to appreciate their sisters and the special relationship they share.

Origins and Establishment of National Sisters Day

National Sisters Day was created by Tricia Eleogram in the 1990s. She wanted to establish a day dedicated to celebrating the bond between sisters, recognizing their importance in our lives. The holiday is observed on the first Sunday in August each year.

Evolution and Modern Commemoration

Since its inception, National Sisters Day has grown in popularity, with people celebrating by spending quality time with their sisters, giving gifts, or sharing memories on social media. Many use the hashtag #NationalSistersDay to post photos and stories. The day has also expanded to include honorary sisters, such as close friends considered family.

Facts & General Observations

• According to a 2015 study by the University of Ulster, people with sisters tend to be happier and more optimistic.
• Over 50 million Americans have at least one sister.
• The most common age gap between sisters is 2-4 years.

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