If you post your first and last name (birth/maiden) and your email address I will send you the invitation! It should also be possible to send me a private message with the required information.
Just closing out this question. I hope you did become a member of WikiTree, if not I suggest you check us out again! We've come a long way in the last couple of years and are working every day to improve our website and the community. If you're interested you can get started by clicking here: