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HSHS St. Mary’s Hospital Medical Center marks 125 years

Community encouraged to share stories, memories of the hospital

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GREEN BAY – The year 2025 brings a significant milestone for St. Mary’s Hospital Medical Center, as it celebrates 125 years of service.

“For 125 years, our hospital has been more than a place of healing — it has been a cornerstone of this community,” said HSHS Wisconsin Market President and CEO Robert Erickson. “We are proud of our impact and deeply grateful for the trust so many have placed in us over the years for their health and wellbeing. Generations of families have found comfort in our care, and dedicated their careers to providing high-quality, compassionate care at St. Mary’s.”

The history of HSHS St. Mary’s Hospital Medical Center begins in 1900, when Green Bay Bishop Sebastian Messmer identified a need for the care of unwed mothers and their babies in the community.

On Oct. 10, 1900, five members of the Sisters of Misericorde arrived in Green Bay upon the invitation of the Bishop and established a home for that very purpose.

As care needs for the community evolved, the Sisters partnered with medical, community and religious leaders to establish a general hospital.

The first St. Mary’s Hospital opened on the city’s east side in 1903.

“The service provided by St. Mary’s was in response to the needs of the community from the very beginning, and we are honored to continue that legacy today of growing and evolving,” said Erickson.

The Sisters of Misericorde transferred sponsorship of St. Mary’s Hospital to the Hospital Sisters of St. Francis in 1974, making it today a part of Hospital Sisters Health System (HSHS) based in Springfield, Ill.

St. Mary’s is affiliated with nine HSHS hospitals in Illinois and three HSHS hospitals in Wisconsin including HSHS St. Vincent Hospital in Green Bay, which was founded by the Hospital Sisters of St. Francis in 1888.

“We stand proudly on the shoulders of the incredible women who paved the way for St. Mary’s — the Sisters of Misericorde and the Hospital Sisters of St. Francis,” said Erickson. “Their mission to provide compassionate care to all — body, mind and spirit — now rests in our hands.”

“Today, HSHS St. Mary’s Hospital Medical Center is a nationally-accredited hospital recognized for its comprehensive health care offerings, accessibility, compassionate and mission-based approach to care, and commitment to community,” a hospital release stated.

“The location of St. Mary’s at 1726 Shawano Avenue is as vital as the health care services it provides. Its transition from the east side of Green Bay to the west side in 1960 was a pivotal moment in the hospital’s history, ensuring greater community access to care.”

Throughout this milestone year, HSHS St. Mary’s Hospital Medical Center invites community members, as well as patients, colleagues, and medical staff — past and present — to share their stories and memories of the hospital.

A site has been established for story submissions at stmarysgb.org/anniversary.

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