Where to File a Petition for Change of Name. Petitions may be filed at the Daley Center or at any of the five suburban court locations.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. To officially change the name on your deed, you will usually need to file a new deed with your county recorder's office. The Law Office of Dionna Reynolds, LLC can assist you with your amending title. I want to file for a name change, what do I need to do? You have to be a resident of Cook County for the last six months to qualify. Write your name and address under the words, "Return Recorded Document To." You'll also need the Permanent Index Number, or PIN. The exact steps required to change a deed vary from state to state. As such, it is absolutely essential to consult with an experienced attorney.