Yes, she should name you on a durable power of attorney so that you can step in if needed. There aren’t a lot of downsides to doing this. Your mother may be concerned that you might step into this role before she’s ready. But she could always revoke the power of attorney if you acted in any way she did not like.
Harry S. Margolis practices elder law, estate, and special needs planning in Boston and Wellesley, Massachusetts. He is the founder of ElderLawAnswers.com and answers consumer questions about estate planning issues here and at AskHarry.info.