After you file

YES ... even if she still lives with you till you die.  Once divorced her income comes into play.

 

Qualifying relative

  • They don't have to be related to you (despite the name).
  • They aren't claimed as a dependent by someone else.
  • They are a U.S. citizen, resident alien, national, or a Canadian or Mexican resident.
  • They aren’t filing a joint return with their spouse.
  • They lived with you the entire year.
  • They made less than $4,250 in 2019.
  • You provided more than half of their financial support.