How to Change Your Name in New York After Marriage (2025 Step-by-Step Guide) Your wedding day may be behind you, but if you’re planning to take your spouse’s last name, one important step remains: legally changing your name. The name change process in New York is straightforward once you understand where to start and the correct order to follow. Whether you’re newly married in New York City or celebrating upstate, this guide breaks down exactly how to change your name in New York after marriage—from requesting your marriage certificate to updating your Social Security card, DMV record, passport, and more. Marriage License and Marriage Certificates in New York A Marriage…