Brothers and Sisters Day
Saturday, May 2, 2026
The first formal sibling observance. The first documented effort to create a dedicated sibling holiday came from Claudia Evart, a New Yorker who lost both her brother Alan and her sister Lisette in separate accidents. In 1995, Evart founded. National Siblings Dayon April 10, her late sister's birthday, and established the Siblings Day Foundation as a 501(c)(3) nonprofit in 1998. The observance eventually received proclamations from governors in 49 states and acknowledgments from three U.S. presidents
History
The first formal sibling observance. The first documented effort to create a dedicated sibling holiday came from Claudia Evart, a New Yorker who lost both her brother Alan and her sister Lisette in separate accidents. In 1995, Evart founded. National Siblings Dayon April 10, her late sister's birthday, and established the Siblings Day Foundation as a 501(c)(3) nonprofit in 1998. The observance eventually received proclamations from governors in 49 states and acknowledgments from three U.S. presidents
How It's Celebrated
Brothers and Sisters Day is observed by recognizing the importance of the day, learning about its background and significance, and sharing awareness with others through conversation and social media. Many people take time to reflect on the meaning of the observance and participate in relevant activities or community events.