Step 1 – Complete Petition. Download and complete the New Hampshire Name Change Petition. ... Step 2 – File Petition. ... Step 3 – Attend Hearing (If Applicable) ... Step 1 – Complete Petition. ... Step 2 – Complete Assent Form (If Applicable) ... Step 3 – File Forms. ... Step 4 – Attend Hearing (If Applicable) Aug 7, 2022