Originally Posted by
BrlDsguise
The simple answer is if you book a room for two guests and list your wife as an additional guest she will have no issue checking in and the stay will be recorded to your account.
This is bad advice.
There are many factors at work and you would be breaking the rules of Hilton Honors. There are no shortage of hotels that would insist that the Honors member pass by the front desk at some point.
If you say that it "often" or "usually" works and you need to be aware of x,y and z, then fair enough... Sending the OP blindly off (or more appropriately the wife) is a recipe for disaster