It can be under your email, but she needs her own account.
When you use Online TurboTax, you get one return per fee. Each return needs its own account and user ID. If you use the same account and user ID for a second return, you overwrite the first one and lose it forever.
You can use your email and phone number and create a second account. You can create more than one account linked to the same email and phone number.
Does your mother need to file a return?
If you fall into the following, 85% of your social security is taxable income
If you fall into the following, 50% of your social security is taxable income
Your combined income is calculated by adding your
Social Security Benefits Taxes
The 2023 Standard Deductions are as follows:
Blind and MFJ or MFS add $1,500
Single or HOH if blind add $1,850