He founded five Chicago area banks de novo and purchased many others, ultimately assembling 13 banks with 30 locations in Cook, Lake, McHenry, DuPage and Kane County, Illinois.
In 1982, Illinois changed its laws to allow a single holding company to own multiple banks.
This change enabled Fitzgerald to bring all of his family-controlled banks under the umbrella of Suburban Bancorp, Inc., one of Illinois's first multibank holding companies.
[5] Suburban Bancorp, Inc. went public in 1986 and listed its shares on the NASDAQ under the ticker symbol SUBBA.
Senator Peter Fitzgerald, who founded Chain Bridge Bank, N.A.