The Cook County Clerk's Office has assumed all operations and duties of the Cook County Recorder of Deeds Office and that office no longer exists. You have to be a resident of Cook County for the last six months to qualify.How to correct a previously recorded document, options list, forms online. No but you will need proof of the change at the time you sell your home. Make copies of your drivers lic and SS card with your former name. X If the name on the photo ID is not the same as the name on the deed, please also supply a document to link the name change. The easiest way to change a name on a real estate deed is via a quitclaim deed. If you want to legally change your name, you must fill out and file name change forms with the court. Then, you will have a hearing in front of a judge. If you fill out a form on a webpage, you will lose your progress.