Rides No Longer At At Six Flags Great America:

Allie's Trolley ( currently used only in parades)

Ameri-Go-Round (1976 - 2003) (In storage since 2003)

Big Top (Renamed to Ricochet and moved to Southwest Territory)

Bottom's Up (1976 - 1983)

Cajun Cliffhanger (1976 - 2000)

Davey Jones Dinghies (1977 - 1982)

Déjà Vu (Vekoma Giant Inverted Boomerang) (10/7/2001 - 2007) (Now at Silverwood) (Aftershock)

Delta Flyer (Sky Ride - One way trip from Orleans Place to County Fair) (1976 - 1984)

Eagle's Flight (Sky Ride - One way only from County Fair to Orleans Place) (1976 - 1984)

The Edge  (1983 - 1986) - Relocated to Geauga Lake and renamed to Mr. Hyde's Nasty Fall. 

Ferris Wheel (1980 - 1984)

Gulf Coaster (1976 only)

Hay Baler (1997 - 2000)

Hilltopper / Industrial Revolution

Iron Wolf (1990 - 2011) Relocated to Six Flags America and renamed  to Apocalypse.

Power Dive (1987 - 2001) (Intamin / Giovanola - Looping Starship) (Was located on the site of The Edge)

Rolling Thunder ( Located in what is now Southwest Territory) (1989 - 1995)

Ragin' Cajun (May 28, 2004 - October 27, 2013) (Located in Mardi Gras)

Shockwave (1988 - August 2002)

Sky Whirl (Triple Ferris wheel) (1977 - 2000)

Southern Cross (Sky ride) (1977 - 1982)

Space Shuttle America (1994 - 2007)

Spinnaker (1976 - 1977)

Splashwater Falls (1987 - 2007)

Tidal Wave ( Was located on the site of Batman the Ride)

Traffique Jam (Antique Car Ride) (1976 - 1983)

Trailblazer (Zamperla Joker) (1996 - 2006)

Turn of the Century (1976 - 1980) - (Re-themed to the Demon in 1980)

Yukon Yahoo (1976 - 1991)

Z-Force ( 1985 - 1987) (Was located on the site of Iron Wolf)

If you know of any others let me know.