St. Mary Immaculate Parish Location 15629 South Route 59PlainfieldIL60544 Next Event 2024 Will County Back-to-School Fair - Thursday, July 25, 2024 - 2:00 pm - 6:00 pm Upcoming Events 2024 Will County Back-to-School Fair - Thursday, July 25, 2024 - 2:00 pm - 6:00 pm