James,
The location of your post is fine. Don't worry too much about that aspect, if a post is really in the wrong place, Colin Bishop will step in and move it. (He's the moderator for the site)
Quite a lot of pond yachts were given ladies names in honour of wives, girlfriends and probably mistresses. What the origin of Lady Betty is I have no idea, but the articles mentioned by Tony Hadley might give you a clue.
Gareth