Example of Legal Description: Lot 1, Block 4, Hamden Edition, Hennepin County, Minnesota. Use our online calculator to determine the correct State Deed Tax (SDT) amount (the tax is .These instructions are for the Minor Name Change Application. Fill out form NAM103 for each person changing their name who is 10 years or older. You will likely just need to record an affidavit, but you may have to file additional documents if you have Torrens property. Forms are required to be filed in the county where the property is located. All the legal information and forms you need to change your adult name in Hennepin County, Minnesota. File format is Adobe . Names and marital status (Single or Husband and wife) of signatures being acknowledged; Legal Description (Check to see if complete). Hennepin County Corrective Deed Form.