Originally Posted by Djlawman
Marriott will allow you to draw from a spouse's account the specific miles to claim an award if you don't have the miles in your own account (but cannot otherwise transfer between accounts).
Djlawman
This came up in another thread in the Marriott forum. It seems you
can transfer points from one account to another (un-related) account. It takes some paperwork, but they swear it can be done, and even provided a
link to the T&Cs.
So there.