The 87-year-old died in a Madrid hospital two weeks after being carried out of her home of seven decades on a stretcher.
The prime minister cut his term short after parliament blocked tenant protections, sparking massive protests in Madrid.
Tens of thousands are set to march in 50 cities after MPs blocked laws drawn up in the wake of an 87-year-old woman's eviction.
The rejection of the social package protecting vulnerable tenants until 2030 has triggered immediate demands for early elections.
