It would be a great help if you had a description of the coat of arms for which you are searching. There are several different coats of arms belonging to different families named Mann, and I expect (without having looked them up) that the same is true for Hudson and Casteldine.

Is there any way you could give us a description of the arms you are looking for? Even a modestly detailed description in plain English (e.g., the shield is red with three white bells on it) would be of assistance.

David