The Mercy Sisters, officially known as the Sisters of Mercy, are a Roman Catholic religious congregation founded in 1831 by Catherine McAuley in Dublin, Ireland. Their mission focuses on serving the poor, sick, and uneducated, emphasizing education and healthcare. The congregation has grown to include thousands of members worldwide, operating in various countries. The Mercy Sisters are known for their commitment to social justice and advocacy for marginalized communities. They run schools, hospitals, and various outreach programs, embodying their motto of "Mercy" through acts of compassion and service. Their work continues to impact many lives globally.