Originally Posted by drtdk
I know for a fact that at one time Marriott specifically excluded consecutive-night stays at the same property from "counting" in its bonus programs. It was specifically prohibited in the terms of the promotion. I don't know if this is the case with the current bonus program being discussed.
My vote is that the "checout-checkin" gambit does border on abuse. It doesn't matter whose name you used, you were using the same MR acct. Also, it adds extra expense to the property.
You should read more carefully, the OP said that they were BOTH MR members -- to me that means that they have separate accounts.