How do you find out if past tenants have died in your home?

You may have to do a little research on the aria in which you live. Ask the previous owners/your landlord who they got the house from and so on. It's best not to worry about it, just tell yourself 'no one.' It will prevent spooking yourself. If your having any spiritual problems within the house, it does not necessarily mean someone has died previously in your house. If you are having problems with something happening with your house, I would suggest getting a cleansing. If this does not work, maybe you should move. It's better than stressing over whatever is wrong. If you do not have the money to move, maybe talk to a relative or a friend about staying with them for a while. Ghosts (spirits), demons and other entities are not something to mess with, always remember that.