For those who might want to know more about St. Francis D'Assisi Parish, site of the October 12 Detroit Mass Mob, the 1989 100th Anniversary Jubilee book is now on-line, and can be found here.
The parish grade school opened in 1892 and at one time enrolled 1500 students. It is now closed.
Here is a 1928 video of the Consecration of the current church building by Bishop Michael J. Gallagher:
St. Francis D'Assisi is one of Detroit's oldest Polish parishes. This ad from the Jubilee book, changed to 125, perhaps, puts it nicely: