Mason Co, Illinois

On-Site Research Facilities
Mason County Courthouse
100 North Broadway
Havana, IL 62644

Mason County Historical Society
PO Box 446
Havana, IL 62644
Society Website

Havana Public Library
201 West Adams Street
Havana, IL 62644
Library Website
Decatur Genealogical Society & Library
1255 W. South Side Drive
Decatur, IL
Society Website
They have quite a few Mason Co books & research info

On-Line Databases
Statewide Marriage Records
Statewide Death Records
For the years prior to 1916
Statewide Death Records
For the years 1916-1950
Military & Veterans
Many databases to reasearch
Illinois State Genealogical Society
Online listings of cemeteries, etc.