Sister of Mercy JoAnn Persch, a longtime immigrant rights advocate, died on Nov. 14, 2025, at age 91. / Credit: Kathleen Murphy/CNA
Washington, D.C. Newsroom, Nov 19, 2025 / 17:48 pm (CNA).
Longtime immigrant rights advocate Sister JoAnn Persch died on Nov. 14 at age 91.
Two weeks before her death, Persch attempted to bring Communion to detainees at the Broadview, Illinois, Immigration and Customs Enforcement (ICE) facility where for decades the Sisters of Mercy ministered to migrants and refugees. Officials denied her entry.
Persch and Sister Pat Murphy were founding members of the Su Casa Catholic Worker House in Chicago, serving refugees from Central America who were survivors of war, torture, and political persecution. From 1997 until 2002, the pair ministered at Casa Notre Dame in Chicago, a shelter for women fleeing domestic violence or recovering from addiction.
Beginning in January 2007, the two sisters attended prayer vigils every Friday morning outside the Broadview ICE facility where they encountered migrants scheduled for deportation and followed Murphy’s advice that “prayer is powerful, but you also have to put your body on the line.”
Through perseverance, Persch said she gained entry to the ICE facility during those years despite initial repeated refusals from government officials.
“Our motto is peacefully, respectfully, but never take no for an answer, so we kept working with ICE,” Persch said Nov. 1. “Finally, we got inside.”
‘It was so traumatic’
Persch said eventually she was allowed to ride the buses to the airport with detainees after working with ICE. The sisters took down names of detainees and their families’ phone numbers.
“Then we’d spend the morning at home calling the families,” Persch said.
“We always worked with the families,” Persch said. “It was so traumatic. But then we were finally able to go in, helping families, meeting those being deported, listening to them, talking, praying.”
“We had a good relationship with ICE. We’d talk to each other,” Persch said.
U.S. Sen. Richard Durbin, D-Illinois, said: “These nuns were often the last to see these immigrants before they embarked on their life-changing journeys. Sister JoAnn’s passing is the end of a life of kindness and caring. But it is more. It is a reminder and a challenge to each of us to welcome the stranger and choose kindness over hate and fear.”
Because of relentless advocacy on behalf of migrants and refugees, including lobbying for a law to provide spiritual care for migrants in state detention facilities, the two sisters were affectionately nicknamed “Rabble” and “Rouser” by friends and fellow advocates.
In 2018, U.S. Capitol Police arrested the pair during the Catholic Day of Action for Action for Dreamers in Washington, D.C., a nonviolent civil disobedience protest in support of immigrants.
Persch’s advocacy also won media attention such as from comedian and political commentator Samantha Bee on her television show, “Full Frontal.”
Looking for housing
In 2022, the two nuns cofounded Catherine’s Caring Cause in response to a request to help a family seeking asylum, a mother from Sierra Leone with five children, to resettle in the Chicago area. Catherine’s Caring Cause, named in honor of Catherine McAuley, the founder of the Sisters of Mercy, assists refugee families in finding shelter and providing basic necessities.
On Nov. 1, Persch said the organization had found homes for 15 families living in cars and they were looking for housing for a 16th.
Persch entered the Sisters of Mercy in Des Plaines, Illinois, 73 years ago. A native of Milwaukee, she earned a bachelor’s degree in home economics from St. Xavier College (now University) in Chicago and a master’s in religious education from Loyola University. Persch professed her perpetual vows on Aug. 16, 1958.
Sister Susan Sanders, president of the Sisters of Mercy of the Americas, said: “How will it be when we will miss JoAnn’s clear voice — quiet, insistent, regular, and respectful — about the new and daily injustices being perpetrated on already-suffering people? How will it be when we will miss her incisive questions, like those she posed to prison guards about why it would be unsafe to offer the Eucharist to imprisoned immigrants?”
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