I forgot my Hotmail/Windows Live Address/I.D.... HELP!?

I forgot my address after I changed users on my Mac and deleted the other user. I only realised when I couldn't log in to my tumblr. Is there any way I can search hotmail for my address via my first and last name? It is not connected to any other accounts/social networking/emails. I've got the... show more I forgot my address after I changed users on my Mac and deleted the other user.
I only realised when I couldn't log in to my tumblr.

Is there any way I can search hotmail for my address via my first and last name?
It is not connected to any other accounts/social networking/emails.

I've got the feeling I am completely and utterly screwed.
Update: a FREE search... no paying for actually seeing the database... or can you find out your email from your tumblr?
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