There are actually several markedly different accents in "Chicagoland."
My step-father was from Bridgeport, and I had a step-mother from the back of the yards area. They ("Dey") had a similar accent, and said "youse" ("You all") a lot. But most of my family was from an Irish neighborhood on the far west side, with an entirely different accent (we would never say "youse", which is also different from the north side way of speaking. Go far enough north, and you get into Wisconsinese.
I've read some nostalgic posts that brought back
fond memories.