First order of business is the removable of the retired name. This includes remove all physical traces of the boat's old name. Take the old log book ashore, along with any other papers that bear the old name. Check for offending books and charts with the name inscribed. Sand away the old name from the lifebuoys, transom, top-side, dinghy, and oars. Painting over is not good enough.
Don't place the new name anywhere on the boat before the de-naming ceremony is carried out.
Now, wherefore, we submit this supplication, that the name whereby this vessel has hitherto been known Eagle’s Nest be struck and removed from your records."
In a naming ceremony, there are two things to watch out for here. Don't use cheap-cheap champagne, and don't try to keep any for yourself. Buy a second bottle if you want some. For my Scottish wife, pouring a whole bottle of expensive champagne over the boat presented a challenge...
'I name this ship MOTIVATOR and may she bring fair winds and good fortune to all who sail on her.'