This page contains ancestral biographies of St. Clair County researchers.  If you would like your ancestral biography posted, email the county coordinator.  Please be sure that the biography pertains to St. Clair County residents or former residents, and that is contains sufficient information to show their relationship to the county.  Thanks, we all appreciate it!

• Ira Township Biographies Index

• DEVEREAUX, William J.

• JUSTIN, Captain William H.

• LESZCZYNSKI, Anthony

• Lett, John

• Lincoln, Arthur

• O'LEARY, Alice

• Rootsweb St. Clair County Message Board ~ Biographies (select "biography" from the drop down menu under "view message type")