The Delaware Change of Name Packet for Sussex County is a comprehensive set of documents that are required to legally change a person’s name in Delaware. This packet includes the Petition for Change of Name, Order of Change of Name, and Certificate of Change of Name. It also includes the required supplemental forms, such as the Acknowledgement of Service and Affidavit of Publication. The packet must be completed and filed with the Sussex County Prothonotary’s Office for processing. The packet is available online for download or in person at the Sussex County Prothonotary’s Office. There are two types of Delaware Change of Name Packet for Sussex County: Adult and Minor.