Hello, Anonymous.
The basic process of starting the divorce will be the same as anyone else in Illinois. You will need to file the appropriate paperwork with the clerk's office and attempt to give notice of the filing to your husband.
If you know where the husband is, that will obviously be easier. If you do not know where he is, it will be more difficult. It's not impossible, but there will be several steps you must take in order to satisfy the Judge that you did indeed make a good-faith effort to find him and inform him of the proceedings.
If he responds to any of your attempts, then you would essentially proceed with the divorce as normal, with or without an attorney. If he does not respond, and the Judge feels you did make a proper effort to locate him and provide notice, then you may proceed through default.
I hope this helps.
(This answer does not create a binding attorney-client relationship and should be used for information purposes only.)
Answered on Jun 10th, 2015 at 1:15 PM