One of my villagers is married, but their spouse is dead. Their husband turned into a zombie and burned to death. I think that the husband dying as a zombie might be the cause of this bug. Also, the dead husband's name was on the villager list until I removed his home (which was still under his name even though he was dead.) I submitted this bug 3 times in the discord, but no response :( .

neither were revived

fixed in b8f003b