You can file a petition for a change of name. Then you publish the new name in the paper for 4 weeks. Next you go to court and the judge asks you questions to make sure you are not trying to defraud creditors.
This response is intended to be a general statement of law that should not be relied upon as legal advice and does not create an attorney/client relationship.
You can't avoid getting a court order. It's possible to do this without a lawyer. Talk to the court clerk.
DISCLAIMER - THIS IS NOT LEGAL ADVICE, AND NO ATTORNEY-CLIENT RELATIONSHIP IS CREATED. THIS IS FOR GENERAL INFORMATION PURPOSES ONLY.