St. Louis

History & Heritage

Mercy's History in St. Louis

Mercy Hospital St. Louis


The chug of the train engine slowly gave way to the spray of water as a riverboat called Reindeer sliced through the waters of the Mississippi carrying Mother Mary Magdalen de Pazzi Bentley and five other Sisters of Mercy. On June 27, 1856, the boat docked at Laclede’s Landing in St. Louis and the Sisters were greeted by Father Arnold Damen who, along with Archbishop Peter Richard Kenrick of St. Louis, had requested they make the perilous journey.

Their mission was simple – help and educate the poor. But the Sisters often met with hardship - hunger, poverty and lack of basic necessities seemed to meet them at every turn. But the Sisters pressed on and within five days of arriving, they began to visit the poor and sick in their homes. Within six months they had opened a free shelter for unemployed girls, a Sunday school for African American women and children and an industrial school for poor children.


In 1871, the health care needs of the city required more help, so the Sister’s turned their school building into a 25-bed hospital for women and children known as St. John’s Hospital. By 1874, the facility became a general hospital with wards for the poor and private rooms for men, women and children. Under the leadership of Mother Magdalen de Pazzi Bentley, the hospital reached out to the community by affiliating with local universities, established a school of nursing and offered the first prepaid health insurance in the county to United Railways Company employees.


Today, St. John’s Mercy Medical Center is an 859-bed, fully accredited teaching hospital. It also includes a heart and vascular hospital, cancer center, children's hospital, surgery center and skilled nursing center.

Mercy Hospital in South St. Louis County


On June 1, 2017, St. Anthony’s Medical Center affiliated with Mercy and officially became Mercy Hospital South – Mercy’s fifth acute care hospital in the St. Louis metro area and the third largest hospital in the Mercy health care system.

St. Anthony's long tradition of faith-based, Catholic service to the St. Louis area began in 1873 when the Franciscan Sisters of Germany opened St. Boniface Hospital in south St. Louis. It was succeeded by Pius Hospital in north St. Louis and “little St. Anthony’s” in south St. Louis.

The partnership between St. Anthony’s and Mercy reflects their shared mission, values and cultures as Catholic health care providers serving the St. Louis region, and their common commitment to their patients and communities.