Retirement tax questions
You should be able to claim her as an other dependent because she does qualify if she lived with you for the entire year up to the date of her death. . Go back over your answers. Check the drop down answer that asks if your mother lived with you for the entire year. Here you will say yes because the instructions will allow you to state that she lived with you for the entire year.
I have included a screenshot to illustrate this. Also check all of your other answers such as did you provide for more than 1/2 of her support. Meanwhile, see if this screenshot addressed your issue. Please note that Wanda is a pseudonym for illustration purposes only.
