Mision Catolica Nuestra Sra De Las America (Our Lady of the Americas Catholic Mission) is a Catholic-denomination church serving the Gwinnett community in Lilburn. Primarily run in Spanish, Mision Catolica Nuestra Sra De Las America serves not only as a place of worship, but also generates outreach to the Hispanic community in the form of social programs. Mision Catolica Nuestra Sra De Las America offers daily mass and various mass times on the weekends.
St. Stephen the Martyr Catholic Church provides social and spiritual services to those in the Lilburn area. Besides daily and weekly Mass, St. Stephen hosts a variety of community outreach, religious education and youth programs.
The St. John Neumann Church has been a part of the Lilburn community since 1985. Since then, the church has added a new addition, and is now constructing a reception hall for church functions. There are church offerings in both English and Spanish and during the weekend there is a nursery during mass.
The church offers many community programs, such as a softball league, Boy Scouts, Girl Scouts, and has connections to Catholic Charities of Atlanta for food and clothing drives, along with aid trips to Haiti. In addition, there is Sunday School for Pre-K up to 5th grade and a teen ministry program for up to 12th grade. The K-8 St. John Neumann Regional Catholic School is next door and the church hosts many of the school functions, such as graduation.