The social ministries are active year-round and open to all parishioners to join in making the social mission of the church the essential and central mission of the parish.  Examples of ministries include: parish twinning with St Jude's parish in Haiti, ongoing social justice eduation programs, and fair trade coffee sales.

Gesu Social Concerns Committee oversees a number of programs to the homeless including a regular Saturday meal program, Sunday breakfast bags. Gesu parishioners also partner with downtown congregations offering shelter and day programs to the homeless individuals and families and Gesu parishioners were instrumental in the establishment of a Milwaukee Housing Trust Fund

Marquette Common Ground is a  community organizing group affiliated with Common Ground of SE Wisconsin, an IAF affiliate. Common Ground exists to build and support an organization to address Greater
Milwaukee’s critical social issues in an effective, non-partisan way. The organization prioritizes health care, education, jobs and economic development, crime, mental health, youth activities, immigration and housing. It also conducts Leadership Institutes to teach volunteers the basics of organizing.