The Prairie State
"State sovereignty, national union"
Illinois St. Andrews Society
December 3, 1818
This tartan was designed by Frances Gillan for the Illinois St. Andrews Society - a philanthropic body founded by Scots in 1854. The tartan was designed to mark the society's 150th anniversary in 1990. The colours represent the State of Illinois Flag, the Chicago sports teams and the St Andrew's flag. This tartan was adopted by the Illinois state legislature as the official Illinois state tartan on July 7, 2012 .