I live in NY. Married last month. My marriage license reflects my husband's last name as my new surname. Do I have to proceed to file name changes with the social security office, passport agency, employer, etc...? Can I keep my maiden name officially and just socially use my married surname?

Also, if I do change my name with the various government agencies, must it be exactly as it appears on the marriage license? I'd like to keep my birth surname to these official changes. Example, let's say my name is "Jane Doe", and my marriage license says "new surname Smith". Can my name be Jane Doe Smith or just Jane Smith? Can i fix all this when i fill out the social security paperwork??? Thank you.