I am recently divorced but having to file "Married but Filing Seperately" this year. How do I change the head of household name to mine now?

[xmasbaby0]

What do you mean by "recently" divorced?  If you were divorced by the end of 2019 you do not file as married.  

Am I Head of Household?

https://ttlc.intuit.com/questions/1894553-do-i-qualify-for-head-of-household

https://ttlc.intuit.com/questions/2900097-what-is-a-qualifying-person-for-head-of-household

If you qualify as Head of Household, when you enter your filing status (single or married filing separately) into Personal Info, and then enter your qualifying dependent, TurboTax will offer HOH as your filing status.

And... if you are trying to use an account that you used to use for a joint return, do not try to do that.  It is much too difficult to get all the "spouse stuff" out of a joint return, and you will have a bunch of errors when you try to e-file.  Start  a new account with a new user ID for your new filing status.

[DMarkM1 · Accepted solution]

Be advised you should verify your filing status.  If you were divorced on 31 Dec 2019 you will not file using any "Married" status.  You will file "single" or "head of household".  In TurboTax you will input your personal information as the "taxpayer" instead of spouse.  I recommend starting a new account in TurboTax with your new status.