Religious leaders are working with the governor’s office to develop Thursday morning’s interfaith service in memory of the Boston Marathon bombing victims.

President Obama is scheduled to attend the service, which will be held at the Cathedral of the Holy Cross in the South End at 11 a.m. The cathedral can seat about 1,700 people.

Laura Everett, director of the Massachusetts Council of Churches, an ecumenical organization, said those organizing the service hope to represent the breadth of religious traditions in the city and find “a common language for us to pray together.”

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Those involved thus far, she said, include the Massachusetts Council of Churches, the Roman Catholic Archdiocese of Boston, the Greater Boston Interfaith Organization, the Jewish Community Relations Council, the Islamic Society of Boston Cultural Center, and clergy from First Church Cambridge, Old South Church, Trinity Church, Arlington Street Church and First Church Boston.

The Jewish Community Relations Council and the Council of Churches have been tracking other vigils and prayer services on their Facebook pages.