Yes, you should use her Social Security Number to file her final return and pay any taxes she owes.
You will still file a standard Form 1040 for her (there is not a special "death form"). She is also still entitled to the full Standard Deduction for her filing status.
- Open or continue HER return.
- Enter her legal name and Social Security Number in the "Personal Info" section of the program.
- Make sure you check the checkbox that asks: "Did [Name] pass away before filing this return?"
- Enter the date that she passed away (8/3/2025). This tells the program to print "DECEASED" at the top of the form automatically.
If there is a court-appointed executor: That person signs and attaches the court certificate.
If there is no court appointment: You (as the parent/survivor) can sign as the "Personal Representative." In the signature area, you would sign your name and write "filing as personal representative."
If she owes money, you can pay via the estate's funds or your own using her SSN on the IRS Direct Pay website. Choose "Balance Due" and "2025" as the tax year.
Note: You may still be able to claim her as a dependent on your own 2025 tax return (if she lived with you for more than 6 months, and if she meets the other standard dependency rules (age, support, etc.).
I am very sorry for your loss.
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