CHICAGO — A bouquet and votive candles with an image of Our Lady of Guadalupe sit near the wedding portrait of Gardenia Rangel’s parents on a small table in the living room of their old home. The electric candles haven’t been turned off since her mother and father both died of COVID-19 last February. Every so often, Rangel plays mariachi music to remember them. They loved Mexican music, their daughter said. “I think about them every single day,” Rangel said. “But I never want to stop missing them because they say that people only die the day you forget them.” Rangel wants to find a way to cele...