FAQ: Should I put my children/parents on my bank account?
This is not a question of trust. Rather, it is a question of playing the odds. How much of a gambler are you?
If you are absolutely sure that they will never have debt or be sued, then sure go ahead. If you are sure they will never be in an auto accident and liable, then go ahead. But remember, you are playing the odds.
The reality is that your money will become your money and their money. And their money is available to their creditors and lawsuits.